RULES FOR
CLASSIFICATION OF
HIGH SPEED, LIGHT CRAFT AND
NAVAL SURFACE CRAFT
SPECIAL EQUIPMENT AND SYSTEMS
ADDITIONAL CLASS
PART 6 CHAPTER 8
NAUTICAL SAFETY
JULY 2004
CONTENTS
Sec.
Sec.
Sec.
Sec.
Sec.
Sec.
1
2
3
4
5
6
PAGE
General Requirements ................................................................................................................ 5
Navigational Equipment............................................................................................................. 8
Operating Compartment Layout............................................................................................... 12
Bridge Equipment Tests ........................................................................................................... 19
Compartment Environment ...................................................................................................... 21
Operational Procedures ............................................................................................................ 23
DET NORSKE VERITAS
Veritasveien 1, NO-1322 Høvik, Norway Tel.: +47 67 57 99 00 Fax: +47 67 57 99 11
CHANGES IN THE RULES
General
Introduction
The present edition of the rules includes amendments and additions
decided by the Board in June 2004 and supersedes the January 2000
edition of the same chapter.
This chapter has been completely revised based on feedback from operators and internal sources. As a result, the safety level has been increased and a new additional class notation NAUT-HSC has been
introduced. Additionally, this revision has been made in accordance
with the HSC Code 2000.
The rule changes come into force as described below.
This chapter is valid until superseded by a revised chapter.
Supplements will not be issued except for an updated list of
corrections presented in Pt.0 Ch.1 Sec.3. Pt.0 Ch.1 is normally
revised in January and July each year.
The changes come into force 1 January 2005.
Revised chapters will be forwarded to all subscribers to the
rules. Buyers of reprints are advised to check the updated list
of rule chapters printed in Pt.0 Ch.1 Sec.1 to ensure that the
chapter is current.
In addition to the above stated rule requirements, a number of corrections and clarifications have been made to the existing rule text.
Corrections and Clarifications
Comments to the rules may be sent by e-mail to rules@dnv.com
For subscription orders or information about subscription terms, please use distribution@dnv.com
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Contents – Page 3
CONTENTS
SEC. 1 GENERAL REQUIREMENTS .......................... 5
A. Classification..........................................................................5
A 100
A 200
A 300
Objectives .........................................................................5
Application........................................................................5
Class notation....................................................................5
B. Definitions ..............................................................................5
B 100
Terms ................................................................................5
C. Documentation ......................................................................5
C 100
Plans and particulars .........................................................5
D. Instruction Manuals..............................................................6
D 100
General ..............................................................................6
E. Tests and Trials .....................................................................6
E
E
E
E
E
E
E
E
E
E
E
100
200
300
400
500
600
700
800
900
1000
1100
General ..............................................................................6
Handling, controllability and performance .......................6
Weight and centre of gravity.............................................6
Effect of failures................................................................6
Controllability and manoeuvrability .................................6
Change of operating surface and mode.............................7
Surface irregularities .........................................................7
Acceleration and deceleration...........................................7
Speeds ...............................................................................7
Minimum depth of water ..................................................7
Night operation .................................................................7
SEC. 2 NAVIGATIONAL EQUIPMENT ...................... 8
A. Equipment Requirements.....................................................8
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
General ..............................................................................8
Compasses.........................................................................8
Speed and distance measurement......................................8
Echo-sounding device .......................................................8
Radar installation ..............................................................8
Electronic positioning systems .........................................8
Rate-of-turn indicator and rudder angle indicator.............8
Nautical charts and nautical publications..........................8
Other navigational aids .....................................................9
Night vision equipment.....................................................9
Steering arrangement and propulsion indicator(s) ............9
Heading control system (automatic pilot) ........................9
Radar reflector...................................................................9
Sound reception system ....................................................9
Automatic identification system (AIS) .............................9
Voyage data recorder ........................................................9
B. Power Supply ........................................................................9
B 100
Electrical power supply.....................................................9
C. Alarm System .....................................................................10
SEC. 3 OPERATING COMPARTMENT
LAYOUT ............................................................. 12
A. Operating Compartment Design and Layout.................. 12
A
A
A
A
A
A
A
A
100
200
300
400
500
600
700
800
General............................................................................12
Field of vision from the operating compartment ............12
Console configuration.....................................................12
Windows .........................................................................14
Chairs ..............................................................................14
Operating compartment .................................................14
Instrument installation ....................................................17
Communication facilities ................................................17
SEC. 4 BRIDGE EQUIPMENT TESTS....................... 19
A. General ................................................................................ 19
A 100
Application......................................................................19
B. On-board Testing of Bridge Equipment .......................... 19
B 100
B 200
B 300
B
B
B
B
B
B
B
B
B
B
B
400
500
600
700
800
900
1000
1100
1200
1300
1400
B
B
B
B
B
B
B
1500
1600
1700
1800
1900
2000
2100
General............................................................................19
Test program ...................................................................19
General requirements for the testing of all types
of bridge equipment ........................................................19
Gyro compass..................................................................19
Automatic steering system..............................................19
Rudder or steering thrust direction indicator(s) ..............19
Rate-of-turn indicator......................................................19
Echo sounder...................................................................19
Speed log.........................................................................19
Electronic position-fixing systems..................................19
Radar system...................................................................19
Alarm system ..................................................................20
Computer system(s) ........................................................20
Electronic chart display and information system,
(ECDIS) including back up system.................................20
Track control system ( if applicable) ..............................20
Conning display ..............................................................20
Voyage data recorder (VDR) ..........................................20
Automatic identification system (AIS) ...........................20
Internal communication system ......................................20
Nautical communication system .....................................20
Sound reception system ..................................................20
SEC. 5 COMPARTMENT ENVIRONMENT ............. 21
A. Bridge Working Environment .......................................... 21
A
A
A
A
A
A
A
A
100
200
300
400
500
600
700
800
General............................................................................21
Temperature and ventilation ...........................................21
Colours............................................................................21
Vibration .........................................................................21
Noise ...............................................................................21
Lighting...........................................................................21
Surfaces...........................................................................21
Safety measures ..............................................................22
Bridge alarm management ..............................................10
SEC. 6 OPERATIONAL PROCEDURES ................... 23
D. Approval of Equipment .....................................................11
A. Classification....................................................................... 23
D 100
A 100
A 200
C 100
Approval of system equipment and performance
standards .........................................................................11
Application......................................................................23
Introduction.....................................................................23
DET NORSKE VERITAS
Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Contents – Page 4
DET NORSKE VERITAS
Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.1 – Page 5
SECTION 1
GENERAL REQUIREMENTS
A. Classification
A 100 Objectives
101 Safe navigation is dependent upon a bridge system,
which ensures that the craft at all times proceeds on a correct
course and speed in relation to destination, waters, traffic and
weather conditions. Consequently, the main functions to be
performed by the bridge system shall decide, execute and
maintain a correct course and speed.
102 The objectives of the rules in this chapter are to enhance
safety and efficiency in bridge operation by governing the factors influencing the navigators capability to maintain a safe
course and speed.
103 The rules stipulate a nautical safety standard for High
Speed Craft equivalent to or exceeding the SOLAS convention, HSC Code 2000 as amended, (IMO Res. MSC.97(73))
and establish conditions that simplify the fulfilment of the
STCW convention and COLREG convention.
104 The rules are based on functional requirements and give
guidelines as to how the rules can be met.
Guidance note:
The word “should” is used to describe the guidelines given in the
Guidance notes for the various rules. These guidelines are expressed in a specific way and represent “approved” solutions, but
do not exclude the application of alternative solutions, provided
the functional requirements are met. Such alternative solutions
are subject to approval in each case.
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A 200 Application
201 The rules in this chapter apply to all types of High Speed
Craft that are to be designed and equipped for safe bridge operation in all types of waters.
202 The requirements apply to:
—
—
—
—
—
—
—
—
—
bridge visibility
console configuration
bridge working environment
location of instruments
range of instrumentation
instrument performance and reliability
equipment installation
information on manoeuvring performance
operational procedures.
A 300 Class notation
301 Craft built, equipped, surveyed and tested in compliance
with the requirements set forth in this chapter may be given the
additional class notation NAUT-HSC.
—
—
—
—
general communication functions
cargo monitoring and planning functions
extended monitoring and control of machinery
monitoring and control of mooring equipment.
103 Bridge. The area from which the navigation and control
of the ship are exercised, including the wheelhouse and the
bridge wings (if applicable).
104 Bridge operation. Comprises all tasks, decisions, routines, procedures, operations, etc., to be carried out by the navigators in connection with the piloting of the craft.
105 Bridge system. Incorporates the human operator(s), the
technical system, the man/machine interface and the operational procedures.
106 ENC. Electronic Navigational Chart
107 ECDIS. Electronic Chart Display and Information System complying with the requirements given by IMO and IHO.
108 Field of vision. Angular size of scene that can be observed from a definite position.
109 Navigation. All tasks and activities, including route
monitoring, with the aim of determining and controlling the
craft’s position, course and speed in relation to the planned
route and the surrounding waters.
110 Normal conditions. When all systems and equipment related to navigation operate within design limits, and environmental conditions with regard to weather and traffic do not
cause excessive operator workloads.
111 Primary bridge functions. Functions related to the maintenance of safe course and speed of the craft including but not
limited to:
—
—
—
—
—
—
—
navigation
route planning
collision avoidance
steering
harbour manoeuvring
monitoring functions
navigational and distress communication functions (internal and external communication).
112 Route monitoring. Continuous surveillance of the craft’s
position, course and speed in relation to the planned route and
the surrounding waters.
113 Route planning. Pre-determination of the track, course
and speed of the waters to be navigated and the definition of
suitable objects, distances and control bearings for proper and
effective route monitoring.
114 Workstation. Position at which one or several tasks constituting a particular activity are carried out.
B. Definitions
B 100 Terms
101 Abnormal conditions. When the criteria for normal conditions are not met, or when the officer of the watch becomes
unfit to perform his duties and has not yet been replaced by another qualified officer.
102 Additional functions. Functions that may be performed
on the bridge, but not related to the primary bridge functions.
Examples of such functions are:
C. Documentation
C 100 Plans and particulars
101 The following plans and particulars shall be submitted
for approval before installation or production is commenced:
Arrangements on the navigation bridge deck
— location of all navigational and manoeuvring equipment
and configuration of bridge consoles
DET NORSKE VERITAS
Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.1 – Page 6
— details such as dimensions of wheelhouse, bridge wings,
entrances and type of doors to wheelhouse, flooring in
wheelhouse.
Window arrangement and blind zones
— dimensions and inclination angle of windows, as well as
details on the window spacing
— the horizontal, vertical and astern fields of vision from the
main workstations.
Equipment located outside bridge area
202 The information on operating limitations which shall be
contained in the route operational manual shall include the
characteristics under E201 and E504.
(HSC Code 17.2.2)
— location of equipment not located on the bridge if related
to primary bridge functions.
Antenna arrangements for bridge equipment
— drawings showing the antenna arrangement for radios, radars, VHF equipment, AIS and other antenna arrangements.
List of equipment
— a list of all primary bridge equipment with identification of
manufacturer, type, model, type approval reference.
Programme for on-board testing of bridge equipment
— a test programme specifying detailed test procedures for
all primary navigational equipment.
Operational procedures
— manual(s) for operational procedures during normal and
abnormal conditions (navigation safety standard).
Manoeuvring performance
— test programme for manoeuvring trials
— manoeuvring booklet containing the results of manoeuvring trials.
D. Instruction Manuals
D 100 General
101 Instruction manuals for all primary bridge equipment
shall be kept on board. The manuals shall contain necessary information on:
—
—
—
—
—
The information on controllability and manoeuvrability which
shall be contained in the craft operating manual shall include
the characteristics under E500, as applicable, the list of parameters of the worst intended conditions affecting the controllability and manoeuvrability according to E600, information on
safe maximum speeds as described in E900.
(HSC Code 17.2.1)
operation
testing
fault finding
repairs
maintenance.
E. Tests and Trials
E 100 General
101 Tests which give evidence as to the satisfactory operation of all bridge equipment shall be carried out. Failure modes
shall be simulated as realistically as possible.
102 Full scale tests of prototype craft shall be carried out to
verify the operational safety in normal service conditions and
in equipment failure situations. FMEA conclusion trials shall
be carried out for each craft in a series.
E 200 Handling, controllability and performance
201 Proof of compliance
E 300 Weight and centre of gravity
301 Compliance with each of the handling, controllability
and performance requirements shall be established for all combinations of weight and centre of gravity position significant
for the operational safety in the range of weights up to the maximum permissible weight.
(HSC Code 17.2.3)
E 400 Effect of failures
401 The effect of any likely failure in handling and control
devices, services or components (e.g. power operation, power
assistance, trimming and stability augmentation) shall be assessed in order that a safe level of craft operation can be maintained. Effects of failure identified as being critical according
to annex 4 (Pt.0 Ch.4 Sec.2) shall be verified in accordance
with annex 9 (Pt.0 Ch.4 Sec.1).
(HSC Code 17.2.4)
E 500 Controllability and manoeuvrability
501 Instructions to crew members shall be provided in the
craft operating manual regarding required actions and craft
limitations subsequent to prescribed failures.
(HSC Code 17.5.1)
502 It is necessary to ensure that the effort required to operate the controls in the worst intended conditions is not such that
the person at the control will be unduly fatigued or distracted
by the effort necessary to maintain the safe operation of the
craft.
(HSC Code 17.5.2)
503 The craft shall be controllable and be capable of performing those manoeuvres essential to its safe operation up to
the critical design conditions.
(HSC Code 17.5.3)
504 When determining the operating limitations of a craft
particular attention shall be paid to the following aspects during normal operation and during and subsequent to failures:
— stopping in normal and emergency conditions
— stability in the non-displacement mode about three axes
and in heave
— trim
— roll
— plough in
— lift power limitations
— broaching
— slamming
— bow diving.
Guidance note:
Yawing: Zig-zag test, preferably 10°/10° should be performed.
Turning: Turning circle trials at full speed ahead to both port
DET NORSKE VERITAS
and starboard should be performed.
Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.1 – Page 7
Stopping: The test is described in Pt.0 Ch.4 Sec.1 A201 clause
2 "Stopping".
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E 600 Change of operating surface and mode
601 There shall be no unsafe change in the stability, controllability or attitude of the craft during transition from one type
of operating surface or mode to another. Information on
change in the behaviour characteristics of the craft during transition shall be available to the master.
(HSC Code 17.6)
E 700 Surface irregularities
701 Factors which limit the ability of the craft to operate over
sloping ground and steps or discontinuities shall be determined, as applicable, and made available to the master.
(HSC Code 17.7)
E 800 Acceleration and deceleration
801 The Society shall be satisfied that the worst likely acceleration or deceleration of the craft, due to any likely failure,
emergency stopping procedures or other likely causes, would
not hazard the persons on the craft.
E 900
Speeds
901 Safe maximum speeds shall be determined, taking account of the limitations from for the craft, modes of operation,
wind force and direction and the effects of possible failures of
any one lift or propulsion system over calm water, rough water
and over other surfaces as appropriate to the craft.
(HSC Code 17.9)
E 1000 Minimum depth of water
1001 The minimum depth of water and other appropriate information required for operations in all modes shall be determined.
(HSC Code 17.10)
E 1100 Night operation
1101 The schedule of tests shall include sufficient operation
to evaluate the adequacy of internal and external lighting and
visibility, under conditions of normal and emergency electrical
power supply during service, cruising and docking manoeuvres.
(HSC Code 17.12)
DET NORSKE VERITAS
Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.2 – Page 8
SECTION 2
NAVIGATIONAL EQUIPMENT
A. Equipment Requirements
A 100 General
101 This chapter covers items of equipment which relate to
the navigation of the craft as distinct from the safe functioning
of the craft. The following paragraphs set out the minimum requirements.
(HSC Code 13.1.1)
102 The range of instrumentation shall be sufficient for safe
and efficient navigation in the waters that the craft is permitted
to operate.
103 The basis for evaluation is the type, size, speed and trade
of craft together with any condition that may affect the navigator’s ability to establish and maintain a safe course and speed.
104 The navigational equipment and its installation shall be
to the satisfaction of the Society, and according to description
in these rules.
105 The Society, shall determine to what extent the provisions of this chapter do not apply to craft below 150 gross tonnage.
106 The information provided by navigational systems and
equipment shall be so displayed that the probability of misreading is reduced to a minimum. Navigational systems and
equipment shall be capable of giving readings to an optimum
accuracy.
(HSC Code 13.1.3)
A 200 Compasses
201 Craft shall be provided with a magnetic compass which
is capable of operating without electrical supply, and which
may be used for steering purposes. This compass shall be
mounted in a suitable binnacle containing the required correcting devices and shall be suitable for the speed and motion characteristics of the craft.
(HSC Code 13.2.1)
202 The compass card or repeater shall be capable of being
easily read from the position at which the craft is normally controlled.
(HSC Code 13.2.2)
203 The magnetic compass shall be properly adjusted and its
table or curve of residual deviations shall be available at all
times.
(HSC Code 13.2.3)
204 Care shall be taken in siting a magnetic compass or magnetic sensing element so that magnetic interference is eliminated or minimised as far as is practicable.
(HSC Code 17.2.4)
205 Craft shall be provided with 2 gyrocompasses, which
shall be suitable for the speed and motion characteristics and
area of operation of the craft.
206 The gyro compass system shall perform according to
performance standard in the latitudes where the craft shall operate and with the speed it will achieve.
207 The gyro compasses shall be provided with automatic
correction of the errors induced by speed and latitude.
208 A comparison function between the outputs of two compasses shall be arranged. An alarm shall be initiated when a deviation exceeds a pre-set limit.
A 300 Speed and distance measurement
301 Craft shall be provided with a device capable of measuring and or indicating speed and distance through the water.
A 400 Echo-sounding device
401 Non-amphibious craft shall be provided with an echosounding device which will give an indication of depth of water to a sufficient degree of accuracy for use when the craft is
in the displacement mode.
(HSC Code 13.4.1)
A 500 Radar installation
501 Craft shall be provided with at least one azimuth-stabilized radar operating on 9 GHz. A second azimuth-stabilized
radar independent of the first one, shall be provided.
502 Both radars shall be provided with ARPA facilities,
suitable for the motion and speed of the craft.
503 Adequate communication facilities shall be provided between the radar observer and the person in immediate charge
of the craft.
(HSC Code 13.5.4)
504 Each radar installation provided shall be suitable for the
intended craft speed, motion characteristics and commonly encountered environmental conditions.
(HSC Code 13.5.5)
505 Each radar installation shall be mounted so as to be as
free as practicable from vibration.
(HSC Code 13.5.6)
506 Both radars, shall include the ability to display selected
parts of SENC, that is the ECDIS database as specified for this
feature in the IMO performance standards for radars. These radars shall also be able to display the ship's position and the
route plan used on the ECDIS.
A 600 Electronic positioning systems
601 Craft shall be provided with two independent receivers
for global navigation satellite system or a terrestrial radio navigation system, or other means, suitable for use at all times
throughout the intended voyage to establish and update the
craft’s position by automatic means.
602 The equipment shall be able to display the craft’s position continuously. The updating frequency shall be minimum
2 Hz or better.
A 700 Rate-of-turn indicator and rudder angle indicator
701 Craft shall be provided with a rate-of-turn indicator. The
scaling of the indicator must be adequate to the possibility of
the ships behaviour.
702 Craft shall be provided with an indicator showing the
rudder angle. In craft without a rudder, the indicator shall show
the direction of steering thrust.
(HSC Code 13.7.2)
A 800 Nautical charts and nautical publications
801 Craft shall be provided with an electronic chart display
and information system (ECDIS)
802 Back-up arrangements shall be provided to meet the
functional requirements of 801.
If no ENC coverage in the operating area or parts of the oper-
DET NORSKE VERITAS
Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.2 – Page 9
ating area, adequate paper chart folio according to the administration to be provided.
Guidance note:
Authorisation may have to be obtained by the Flag State and possibly by Port States when ECDIS is intended to meet the chart
carriage requirement in SOLAS.
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A 900 Other navigational aids
901 Craft shall be provided with at least one adequate
searchlight which shall be controllable from the operating station.
(HSC Code 13.9.1)
902 One portable daylight signalling lamp shall be provided
and maintained ready for use in the operating compartment at
all times.
(HSC Code 13.9.2)
A 1000 Night vision equipment
1001 When operational conditions justify the provision of
night vision equipment, such equipment shall be provided.
(HSC Code 13.10.1)
Guidance note:
Night vision equipment may be imperative in areas where floating objects (e.g. pleasure boats, canoes, timber, etc.) without navigation lights are very common and thus constitutes a
navigational hazard. Night vision equipment should be operated
by a dedicated person. The location should not interfere with the
darkness adaptation of the navigators.
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A 1100 Steering arrangement and propulsion indicator(s)
1101 The steering arrangement shall be so designed that the
craft turns in the same direction as that of the wheel, tiller, joy
stick or control lever.
(HSC Code 13.11.1)
1102 Craft shall be provided with means to show the mode
of the propulsion system(s).
(HSC Code 13.11.2)
1103 Craft with emergency steering positions shall be provided with arrangements for supplying visual compass readings to the emergency steering position.
(HSC Code 13.11.3)
A 1200 Heading control system (automatic pilot)
1201 Craft shall be provided with a heading control system
(automatic pilot).
(HSC Code 13.12.1)
1202 Provision shall be made to change from the automatic
to manual mode by a manual override. This override function
shall be in accordance with requirements for steering in 1101.
Guidance note:
If a computer based system can effect the speed and or heading
of the craft, a functional failure analysis is required. If a system
failure can cause a hazardous or catastrophic effect in the relevant operational modes, in particular:
- normal seagoing conditions at full speed, and
- maximum permitted operating speed in congested waters, a
Failure Mode and Effect Analysis (FMEA) may be required.
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1203 Track control (optional)
If a track control system is fitted this shall comply with performance standards not inferior to those adopted by the organ-
isation.
Guidance note:
- Performance standards for track control systems (resolution
MSC.74(69) annex 2).
- Performance standards for automatic steering aids (automatic
pilots) for high-speed craft (resolution A.822(19)).
- Performance Standard for an integrated navigation system
(INS) resolution MSC.86(70).
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1204 All sensors used in the track control system shall continuously provide sufficient updating frequency.(see A602).
1205 Track control systems shall be certified, unless type approved for use on High Speed Craft.
A 1300 Radar reflector
1301 If practicable, craft of 150 gross tonnage or below shall
be provided with a radar reflector, or other means, to assist detection by ships navigating by radar at both 9 GHz and 3 GHz.
(HSC Code 13.13)
A 1400 Sound reception system
1401 The craft shall be provided with a sound reception system, or other means, to enable the officer in charge of the navigational watch to hear sound signals and determine their
direction.
(HSC Code 13.14)
A 1500 Automatic identification system (AIS)
1501 Craft shall be provided with an automatic identification
system (AIS).
(HSC Code 13.15.1)
1502 AIS shall:
— provide automatically to appropriately equipped shore stations, other vessels and aircraft information, including the
craft’s identity, type, position, course, speed, navigational
status and other safety-related information
— receive automatically such information from similarly fitted vessels
— monitor and track vessels, and
— exchange data with shore based facilities.
(HSC Code 13.15.2)
1503 AIS shall be operated taking into account the guidelines adopted by IMO.
A 1600 Voyage data recorder
1601 To assist in casualty investigations, passenger craft irrespective of size and cargo craft of 3 000 gross tonnage and
upwards shall be provided with a voyage data recorder (VDR).
(HSC Code 13.16.1)
B. Power Supply
B 100 Electrical power supply
101 A local distribution panel shall be arranged exclusively
for primary bridge systems. The panel shall be supplied directly from both main switchboards, or from one main switchboard and the emergency switchboard or a continuously powered source (UPS), arranged with automatic change-over between the two supplies.
Guidance note:
The following are considered to be primary bridge systems:
- position fixing system
- ECDIS
DET NORSKE VERITAS
Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.2 – Page 10
-
radar
gyro compass
heading control system/track control system
speed log
echo sounder
internal communication
external communication
alarm system.
should engage the local alarm when the equipment serves as a
stand-alone unit.
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107 Emergency alarms giving indication of conditions requiring immediate action shall be distinctive and in full view
of crew members in the operating compartment, and shall be
provided for the following:
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102 Loss of any power to the required distribution panels
shall initiate an alarm.
C. Alarm System
C 100 Bridge alarm management
101 Alarm systems shall be provided which announce at the
craft's control position, by visual and audible means, malfunctions or unsafe conditions. Alarms shall be maintained until
they are accepted and the visual indications of individual
alarms shall remain until the fault has been corrected. If an
alarm has been accepted and a second fault occurs before the
first is rectified, the audible and visual alarms shall operate
again. Alarm systems shall incorporate a test facility.
(HSC Code 11.4.1)
102 Bridge alarms and warnings shall be centralised in one
common panel or screen on the bridge enabling easy identification of the source of the alarm and rapid cancellation of the
audible alarm. The bridge alarm system may be part of a computerised system and presented on a screen. The bridge alarm
system shall provide visual and audible indication of system
and equipment malfunction, operational warnings related to
risk of grounding and collision and improper watch-keeping.
103 The central alarm system shall at least include system
failure alarms and operational warnings initiated by the following equipment and systems:
—
—
—
—
—
—
—
—
—
—
—
collision avoidance system
AIS
heading monitoring system.
watch monitoring system
heading information system
radar and ARPA
GPS
heading and/or track control
ECDIS
speed log
echo sounder.
—
—
—
—
activation of a fire-detection system
total loss of normal electrical supply
overspeed of main engines
thermal runaway of any permanently installed nickel-cadmium battery.
(HSC Code 11.4.1.1)
108 Alarms with a visual display distinct from that of alarms
referred to in 107 shall indicate conditions requiring action to
prevent degradation to an unsafe condition. These shall be provided for at least the following:
— exceeding the limiting value of any craft, machinery or
system parameter other than engine overspeed
— failure of normal power supply to powered directional or
trim control devices
— operation of any automatic bilge pump
— failure of navigational system, ref C103
— low level of a fuel tank contents
— fuel oil tank overflow
— extinction of side, masthead or stern navigation lights;
— low level of contents of any fluid reservoir the contents of
which are essential for normal craft operation
— failure of any connected electrical power source
— failure of any ventilation fan installed for ventilating spaces in which inflammable vapours may accumulate, and
— diesel engine fuel line failure as required by 9.4.2 in HSC
Code.
(HSC Code 11.4.1.2)
109 The alarm system shall meet appropriate constructional
and operational requirements for required alarms.
(HSC Code 11.4.2)
Guidance note:
Refer to the Code on Alarms and Indicators, 1995, adopted by the
Organization by resolution A.830(19) and Performance Standard
for watch alarm system , IMO res. MSC. 128(75)
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104 The indications displayed on the alarm panel shall be
continuously available and readable when the navigation systems are in operation. All warnings required by 103, 107 and
108 shall be provided at all stations at which control functions
may be exercised.
105 It shall be possible to cancel the audible alarm on the individual equipment and the corresponding alarm at the central
alarm panel by a single operator action.
106 Permanently inhibiting alarm units shall not be possible.
Manually inhibiting local audible alarms may be accepted
when this is clearly indicated and the unit is part of the alarm
management system.
Guidance note:
Suppressing local audible alarms manually may be done by
means of an on and off switch located on or close to the equipment or by other means, for example electronically. The off-position should enable suppression of the audible alarm when the
equipment is part of a central alarm system and the on-position
110 Equipment monitoring the passenger, cargo and machinery spaces for fire and flooding shall, so far as is practicable,
form an integrated sub-centre incorporating monitoring and
activation controls for all emergency situations. This sub-centre may require feed-back instrumentation to indicate that actions initiated have been fully implemented.
(HSC Code 11.4.3)
111 Main propulsion machinery room(s) shall in addition
have detectors sensing other than smoke and be supervised by
TV cameras monitored from the operating compartment.
(HSC Code 7.7.1, part of)
112 The detection system shall initiate audible and visual
alarms distinct in both respects from the alarms of any other
system not indicating fire, in sufficient places to ensure that the
alarms are heard and observed on the navigating bridge and by
a responsible engineer officer.
(HSC Code 7.7.2.1, part of)
113 Indicators shall be provided on the navigating bridge
which shall indicate when any door leading to or from the special category space or ro-ro space is closed.
(HSC Code 7.8.1.2)
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.2 – Page 11
114 Means shall be provided to indicate in the operating
compartment any loss or reduction of the required ventilating
capacity.
(HSC Code 7.8.5.3)
115 The location of the radio equipment shall not interfere
with the primary navigational functions in the operating station.
(HSC Code 15.4.6)
D. Approval of Equipment
D 100 Approval of system equipment and performance
standards
101 All equipment to which this chapter applies shall be of a
type approved by the Society. Such equipment shall conform
to performance standards not inferior to those adopted by
IMO.
102 Before giving approval to navigational systems or
equipment embodying new features not covered by this chapter, the Society shall ensure that such features support functions at least as effective as those required by this chapter.
(HSC Code 13.17.3)
103 When equipment, for which performance standards have
been developed by the organisation, is carried on craft in addition to those items of equipment required by this chapter, such
additional equipment shall be subject to approval and shall, as
far as practicable, comply with performance standards not inferior to those adopted by the organisation.
(HSC Code 13.17.4)
Guidance note:
See the following recommendations adopted by the organisation:
- Recommendation on performance standards for magnetic
compasses (resolution A.382(X))
- Recommendation on performance standards for marine transmitting magnetic heading devices (THDs) (resolution
MSC.86(70), annex 2)
- Recommendation on performance standards for Gyro-compasses for high-speed craft (resolution A.821(19))
- Recommendation on performance standards for devices to indicate speed and distance (resolution A.824(19), as amended
by resolution MSC.96(72))
- Recommendation on performance standards for echo-sounding equipment (resolution A.224(VII) as amended by resolution MSC.115(73), annex 2)
- Recommendation on performance standards for navigational
radar equipment for high-speed craft (resolution A.820(19))
- Recommendation on performance standards for "Auto Tracking" (resolution MSC.114(73), annex 4, appendix 1)
- Recommendation on performance standards for shipborne
Decca navigator receivers (resolution MSC.112(73))
- Recommendation on performance standards for shipborne
Loran-C and Chayka receivers (resolution A.818(19))
- Recommendation on performance standards for shipborne
global positioning system receiver equipment (resolution
MSC.112(73))
- Recommendation on performance standards for shipborne
GLONASS receiver equipment (resolution MSC.113(73))
- Recommendation on performance standards for shipborne
DGPS and DGLONASS maritime radio beacon receiver
equipment (resolution MSC.114(73), annex 2)
- Recommendation on performance standards for combined
GPS/GLONASS
receiver
equipment
(resolution
MSC.115(73), annex 1)
- Performance standards for rate-of-turn indicators (resolution
A.526(13))
- Recommendation on performance standards for night vision
equipment for high-speed craft (resolution MSC.94(72))
- Recommendation on performance standards for daylight signalling lamps (resolution MSC.95(72))
- Recommendation on performance standards for automatic
steering aids (automatic pilots) for high-speed craft (resolution A.822(19))
- Recommendation on performance standards for sound reception systems (resolution MSC.86(70), annex 1) and
- Recommendation on performance standards for marine transmitting heading devices (THDs) (resolution MSC.116(73)).
- Recommendation on performance standards for track control
systems (resolution MSC.74(69) annex 2)
- Recommendation on performance standards for Automatic
Identification System (AIS) (resolution MSC.74(69) annex 3)
- Recommendation on performance standards for shipborne
Voyage Data Recorder (VDR) (resolution A.861(20)).
DET NORSKE VERITAS
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.3 – Page 12
SECTION 3
OPERATING COMPARTMENT LAYOUT
A. Operating Compartment Design and Layout
A 100 General
101 The design and layout of the compartment from which
the crew operate the craft shall be such as to permit operating
crew members to perform their duties in a correct manner without unreasonable difficulty, fatigue or concentration, and to
minimise the likelihood of injury to operating crew members
in both normal and emergency conditions.
(HSC Code 15.2)
A 200 Field of vision from the operating compartment
201 The navigator's field of vision while seated at the workstation for command and workstation for navigation, shall be
sufficient to enable him or her to comply with the International
Regulations for Preventing Collisions at Sea. As a consequence, the horizontal field of vision from the command and
navigation workstations shall at least extend over an arc from
22.5° abaft the beam on one side, through dead ahead, to 22.5°
abaft the beam on the other side.
202 The total arc of blind sectors from right ahead to 22.5°
abaft the beam on either side shall not exceed 20°. Each individual blind sector shall not exceed 5°. The clear sector between two blind sectors shall not be less than 10°.
(HSC Code 15.3.3)
203 The field of vision while seated at the workstation for
command and the workstation for navigation shall allow a forward view of the bow. Furthermore, the view of the sea surface
from the workstations for command and navigation shall not
be obscured by more than one (1) craft length in any direction
from dead ahead to at least 90° on each respective side.
Guidance note:
The sea surface view from the workstations shall not be obscured with more than one (1) craft length from dead ahead to at
least 90º to the side where the workstation is located
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204 The field of vision from the workstation for command
and the workstation for navigation shall enable the navigator to
utilise leading marks astern of the craft as means for track
monitoring.
Guidance note:
A horizontal field of vision of at least 10 degrees should be obtained dead astern from each workstation.
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205 The field of vision from the workstations for command
and navigation shall permit the navigator to position the craft
alongside a wharf without difficulty, to both port and starboard
side respectively. Alternatively; separate docking workstation(s) shall be located in adequate position(s).
Guidance note:
While seated at the starboard workstation; the operator should be
able to see the distance from the ship's starboard side to the wharf
both fore and aft. While seated at the port workstation; the operator should be able to see the distance from the ship's port side to
the wharf both fore and aft. For craft which cannot achieve the
required field of vision without unreasonable difficulty a number
of video cameras in suitable positions may be an acceptable solution which is subject to approval in each case.
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A 300
Console configuration
301 Consoles shall principally be divided into two areas:
— a vertical (slanting) part for location of information displays to be easily readable (see Fig.1)
— a horizontal part (desktop) for controls, switches and buttons to be within easy reach from the working position.
Guidance note:
Fig. 1
Easily readable
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.3 – Page 13
302 The height of console desktops at the workplaces for
navigation, manoeuvring, traffic surveillance and monitoring
shall enable easy use of equipment required for safe performance of the tasks to be performed from both standing, when applicable, and sitting position.
Guidance note:
- To provide a functional reach from sitting position, the sitting
height is governed by the elbow height in relation to console
desktop.
- To provide a functional reach of equipment and easy operation of controls from sitting position, the elbow height of the
operator should preferably be 50 mm higher than the console
desktop and not less than the height of the desktop.
- To provide the elbow height required for persons of different
size and build in relation to the console desktop, it should be
possible to adjust the height of the seat to allow an elbow
height of 240 mm +/- 55 mm above the seat. It should be possible to adjust chair armrests accordingly, if installed, and to
fold the armrests away.
The leg room should have a depth of 450 mm and not less than
required for a person sitting at a working position 350 mm from
the console (chair backrest 440 mm from the edge of the console,
requiring a leg room depth of at least 230 mm.)
Fold-away
arm rest
240
+/- 55
800
Desktop
+ 50 mm
Adjustable
Fig. 2
The console in front of a seated working position shall provide
sufficient leg room.
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303 The top of the consoles forming the front workstations
shall not be higher than 1200 mm, including the foundation of
the consoles. The top of the consoles shall not obstruct the field
of vision over the lower edge of the windows in front of the
workstation from sitting position.
Guidance note:
The console height should not exceed 1200 mm. This console
height may be accepted for installation at a distance of 350 mm
or more from the window, also if it interferes with the line of
sight from an eye height of 1400 mm, providing the height of the
chair can be adjusted to compensate for the interference.
See Fig.3 for eye heights at standing position
Standing
Sitting
790
+/- 60
1400
2000
1000
1750
800
610 +/-60
1000
1500
2500
Fig. 3
Console height
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100 mm chair
adjustment
Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.3 – Page 14
304 Consoles within the required field of vision aft of the
front workstation consoles shall not obstruct the horizontal line
of sight from the sitting eye height.
Guidance note:
The height of the consoles should be 100 mm lower than the horizontal line of sight from a seated position and should not exceed
1300 mm. If printers, or other equipment, is installed on top of
the console, the total height should not exceed the prescribed
1300 mm.
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A 400
Windows
401 Divisions between windows, located in the front, on the
sides and in the doors, shall be kept to a minimum. No divisions shall be installed immediately forward of the operating
stations.
(HSC Code 15.7.1)
Guidance note:
The framing between windows, especially within the field of vision as described in 200, should not exceed 150 mm. If stiffeners
are used, this space should be less than 100 mm and the depth of
the stiffeners less than 120 mm.
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402 The Society shall be satisfied that a clear view through
the operating compartment windows is provided at all times regardless of weather conditions. The means provided for maintaining the windows in a clear condition shall be so arranged
that no reasonably probable single failure can result in a reduction of the cleared field of vision such as to interfere seriously
with the ability of the operating crew to continue the operation
and bring the craft to rest.
Guidance note:
Efficient systems should be provided, including heavy duty wipers, fresh-water wash, de-misting and de-icing. Operating controls to be positioned within reach while seated at the workstation
for the officer in charge or assisting officer.
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403 Arrangements shall be provided so that the forward view
from operating stations is not adversely affected by solar glare.
Neither polarised nor tinted window glass shall be fitted.
(HSC Code 15.7.3)
Guidance note:
Removable sunscreens or sun curtains with minimum colour distortion should be provided for at least the front windows.
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404 Operating compartment windows shall be angled to reduce unwanted reflection.
(HSC Code 15.7.4)
Guidance note:
The windows in front should preferably be angled top outwards,
15° to 25° from the vertical, see also ISO 8468.
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405 The windows shall be made of material which will not
break into dangerous fragments if fractured.
(HSC Code 15.7.5)
A 500 Chairs
501 When a chair at a station from which the craft may be
operated has been adjusted so as to suit the occupant, subsequent change of seat position to operate any control shall not
be acceptable.
502 Installed chair at a workplace for operations shall be fastened to rails allowing fore and aft movement of the chair to
enable easy reach of equipment when seated and, if applicable,
sufficient room to stand in front of the console when the chair
is pushed back. It shall be possible to adjust the height of the
seat to suit users of different heights for optimum view and
reaching distance and armrests, if provided, shall be of fold
away type and preferably adjustable in height.
Guidance note:
The seat height of the chair should be adjustable from 550 to 670
mm above the deck surface. The movement in fore-aft direction
should allow the front edge of the seat to be positioned at the
edge of the front console and to allow a free space of at least 700
mm between the chair and console when moved in aft direction.
Armrests should preferably be adjustable from 185 and 295 mm
above the seat if installed.
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A 600 Operating compartment
601 The design and arrangement of the operating compartment, including location and layout of the individual workstations, shall ensure the required field of vision for each function.
Blind sectors shall be as few and as small as possible, and not
adversely affect the keeping of a safe lookout from the operating station. If stiffeners between windows are to be covered,
this shall not cause further obstruction inside the wheelhouse.
(HSC Code 15.4.1) (HSC Code 15.3.2)
602 The craft’s operating compartment shall not be used for
purposes other than navigation, communications and other
functions essential to the safe operation of the craft, its engines,
passengers and cargo.
603 The operating compartment shall be provided with an
integrated operating station for command, navigation, manoeuvring and communication and so arranged that it can accommodate those persons required to navigate the craft safely.
604 The arrangement of equipment and means for navigation, manoeuvring, control, communication and other essential
instruments shall be located sufficiently close together to enable both the officer in charge and any assisting officer to receive all necessary information and to use the equipment and
controls, as required, while they are seated. If necessary, the
equipment and means serving these functions shall be duplicated. A functional workstation designed in accordance with
the established overall operational and ergonomic requirements must provide:
— a sufficient area for performance of the tasks to be carried
out by the number of people that may be required to attend
— consoles designed for operations at specific workplaces in
standing and seated position,
— enabling installation of equipment to be within reach
(see Fig.5) from the working position
— avoiding obstruction of the view through bridge windows from seated position
— chairs suiting ergonomic requirements for efficient use of
installed equipment and maintenance of field of vision, if
chairs shall be installed.
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.3 – Page 15
Guidance note:
Fig. 4
Within reach
Within reach from a seated position is defined as within 1000
mm and within 800 mm for frequently used equipment.
Within reach from a standing position is defined as within 800
mm in the forward direction and within 1400 mm in sideways directions.
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605 Both workstations is intended to serve both navigation
and traffic surveillance and manoeuvring functions, and essen-
tial equipment for traffic surveillance and manoeuvring, such
as the ARPA and ECDIS. In addition means for controlling
speed and course, should be within reach from both workstations.
An acceptable solution, instead of the duplication of required
equipment, may be to install the essential equipment, indicated
in Fig.5, within reach from the working position at both workstations.
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.3 – Page 16
Fig. 5
Example of location of main equipment
606 The command workstation shall enable the following
functions or tasks to be performed:
— surveillance of craft's position, course and speed made
good in relation to planned track and surrounding waters
by means of ECDIS
— analyse the traffic situation and decide on collision avoidance manoeuvre
— alter course
— change speed
— effect internal and external communications
— operate auxiliary manoeuvring systems, if fitted
— monitor time, course, speed, engine revolutions, pitch or
thrust indicator and rudder angle or direction of steering
thrust.
607 The navigation workstation shall enable the following
functions or tasks to be performed:
— surveillance of craft's position, course and speed made
good in relation to planned track and surrounding waters
by means of ECDIS
— analyse the traffic situation and decide on collision avoidance manoeuvre
— plotting of the craft's position, course and speed made
good
— alter course
— change speed
— effect internal and external communication
— monitor time, course, speed, engine revolutions, pitch or
thrust indicator and rudder angle or direction of steering
thrust.
Workstation for navigation
- radar display with chart overlay
- ECDIS
- engine controls
- steering control.
Workstation for command
- radar display with chart overlay and AIS presentation
- radar plotting aid
- ECDIS
- engine control
- steering control.
Instruments and equipment of common interest to both the navigation and the command workstation should be located accordingly. Such instruments and equipment, if fitted, include:
- automatic steering device
- rudder angle or steering thrust indicator
- gyro repeater
- speed and distance log
- engine revolution indicator
- pitch or thrust indicator
- wind direction and speed indicator
- echo sounder
- internal communication systems
- VHF radiotelephone
- emergency stop controls
- rate of turn indicator
- whistle control
- searchlight controls
- magnetic compass display
- window wiper and wash control
- AIS operation unit
- clock.
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Guidance note:
In accordance with the functions or tasks to be performed at each
workstation, equipment or displays serving the various functions
should be available as follows:
If a separate workstation for supervision of engine performance is placed in the operating compartment, the location and
use of this workstation shall not interfere with the primary
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.3 – Page 17
functions to be performed in the operating station.
(HSC Code 15.4.5)
608 In all craft, the station or stations in the operating compartment from which control of craft manoeuvring and/or of its
main machinery is exercised shall be provided, within easy
reach of the crew member at that station, with controls for use
in an emergency to:
702 All instruments shall be logically grouped according to
their functions. In order to reduce to a minimum the risk of
confusion, instruments shall not be rationalised by sharing
functions or by interswitching.
(HSC Code 15.5.2)
703 Instruments required for use by any member of the operating crew shall be plainly visible and easily read:
— activate fixed fire-extinguishing systems
— close ventilation openings and stop ventilating machinery
supplying spaces covered by fixed fire-extinguishing systems, if not incorporated in preceeding item
— shut off fuel supplies to machinery in main and auxiliary
machinery spaces
— disconnect all electrical power sources from the normal
power distribution system (the operating control shall be
guarded to reduce the risk of inadvertent or careless operation), and
— stop main engine(s) and auxiliary machinery.
— with minimum practicable deviation from his normal seating position and line of vision, and
— with the minimum risk of confusion under all likely operating conditions.
(HSC Code 11.3.1)
609 The control panel shall be located in the operating compartment or in the main fire control station.
(HSC Code 7.7.1.1.5)
Reference to ventilation system control is given in Ch.10 Sec.4
A.
610 The design and layout of the compartment from which
the crew operate the craft and the relative positions of the primary controls shall be assessed against the essential operational manning level. Where minimum manning levels are
proposed, the design and layout of the primary and communication controls shall form an integrated operational and emergency control centre from which the craft can be controlled
under all operational and emergency events by the operating
crew without the necessity for any crew member to vacate the
compartment.
(HSC Code 15.4.7)
611 The relative positions of the primary controls and the
seats shall be such that each operating crew member, with the
seat suitably adjusted, and without prejudicing compliance
with 15.2 (101) can:
— without interference, produce full and unrestricted movement of each control both separately and with all practical
combinations of movement of other controls, and
— at all work stations, exert adequate control forces for the
operation to be performed.
(HSC Code 15.4.8)
612 In craft where the Society considers the provision of a
safety belt necessary for use by the operating crew, it shall be
possible for those operating crew members, with their safety
belts correctly worn, to comply with 500 except in respect of
controls which it can be shown will only be required on very
rare occasions and which are not associated with the need for
safety restraint.
613 Adequate arrangements shall be made to prevent passengers from distracting the attention of the operating crew.
(HSC Code 15.4.12)
A 700 Instrument installation
701 Instruments, instrument panels and controls shall be permanently mounted in consoles or other appropriate places, taking into account operation, maintenance and environmental
conditions. However, this shall not prevent the use of new control or display techniques, provided the facilities offered are
not inferior to recognised standards.
(HSC Code 15.5.1)
(HSC Code 15.5.3)
704 Instruments essential for the safe operation of the craft
shall be clearly marked with any limitation if this information
is not otherwise clearly presented to the operating crew. The
instrument panels forming the emergency control for the
launching of life rafts and the monitoring of the fire-fighting
systems shall be in separate and clearly defined positions within the operating area.
(HSC Code 15.5.4)
705 The instruments and controls shall be provided with
means for screening and dimming in order to minimise glare
and reflections and prevent them being obscured by strong
light.
(HSC Code 15.5.5)
706 The surfaces of console tops and instruments shall have
dark glare-free colours.
(HSC Code 15.5.6)
707 Instruments and displays, providing visual information
to more than one person, shall be located for easy viewing by
all users concurrently. If this is not possible, the instrument or
display shall be duplicated.
(HSC Code 15.5.7)
708 If no ENC is available in the operation area, the operating compartment shall be provided with means for chart work.
There shall be facilities for lighting the chart. Chart table lighting shall be screened.
A 800 Communication facilities
801 Such means as are necessary shall be provided to enable
the crew to communicate between, and have access to, each
other and with other occupants of the craft in both normal and
emergency conditions.
(HSC Code 15.8.1)
802 Means to communicate between the operating compartment and spaces containing essential machinery, including any
emergency steering position, irrespective of whether the machinery is remotely or locally controlled, shall be provided.
(HSC Code 15.8.2)
803 Where control of propulsion and manoeuvring is provided at stations outside the operating compartment, such stations
shall have direct communication with the operating compartment which shall be a continuously manned control station.
(HSC Code 11.3.2)
804 Where control of propulsion or manoeuvring is provided
at stations adjacent to but outside the operating compartment,
the transfer of control shall only be effected from the station
which takes charge of control. Two-way voice communication
shall be provided between all stations from which control functions may be exercised and between each such station and the
look-out position.
(HSC Code 11.2.3)
805 Adequate arrangements shall be provided for two-way
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.3 – Page 18
voice communication between the operating compartment and
persons engaged in dropping, weighing or releasing the anchors.
(HSC Code 6.2.3)
806 There shall be a public address system covering all areas
where passengers and crew have access, escape routes, and
places of embarkation into survival craft. The system shall be
such that flooding or fire in any compartment does not render
other parts of the system inoperable.
The public address system and its performance standards shall
be approved by the Society having regard to the recommendations developed by IMO.
Guidance note:
Refer to the Recommendations on performance standards for
public address systems on passenger ships, including cabling
(MSC/Circ.808) and the Code on Alarms and Indicators, 1995
(resolution A.830(19)).
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807 Means for making public address and safety announcements from control stations to all areas to which passengers
and crew have access shall be provided.
(HSC Code 15.8.3)
808 Provisions shall be made for means to monitor, receive
and transmit radio safety messages at the operating compartment.
(HSC Code 15.8.4)
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.4 – Page 19
SECTION 4
BRIDGE EQUIPMENT TESTS
A. General
A 100
B 500
Application
101 The requirements in this section apply to the testing and
calibration of bridge equipment.
B. On-board Testing of Bridge Equipment
B 100
501 The course-keeping performance of the autopilot shall
be tested at full sea speed. Adaptive autopilots shall also be
tested at reduced speed.
502 The performance of the autopilot shall be checked for a
change in course of 10° and 90° to both sides. The overshoot
angle shall be observed.
503 The off course alarm shall be tested.
504 The rate-of-turn or radius function shall be tested.
General
101 After installation of equipment in craft requesting the
additional class notation NAUT-HSC, on-board testing of the
equipment shall be performed in order to ascertain that the
equipment, as installed, operates satisfactory.
B 200
Automatic steering system
Test program
201 A detailed program for the on-board testing of this
equipment shall be submitted for approval at the earliest possible stage before sea trials.
505 Change of operational steering mode shall be tested.
506 The override function shall be tested in all steering
modes.
B 600
Rudder or steering thrust direction indicator(s)
601 The rudder or steering thrust direction indicator(s) on
the bridge shall be checked.
B 700
Rate-of-turn indicator
202 The test program shall be in accordance with the requirements for on-board testing in 300 to 2100, and shall specify in
detail the tests to be performed for each type of equipment.
701 The rate-of-turn indicator shall be tested and, if necessary, calibrated.
B 300 General requirements for the testing of all types
of bridge equipment
801 Function testing of the echo sounder shall be carried out.
Depth shall be measured at a fixed position for exact comparison of accuracy.
301 Prior to testing, all equipment shall be checked and calibrated by a representative of the manufacturer or the equipment supplier.
302 Prior to testing, all equipment, etc., necessary for the observation and recording of test results shall be made available.
303 Equipment and systems shall be subject to the tests required to ascertain that all controls, indicators, displays, etc.,
operate in accordance with their specifications and meet the
rule requirements.
304 Failure conditions shall be simulated on equipment and
systems.
305 The instruments for performance of primary bridge
functions shall be tested at black-out for a period of up to and
over 30 s. At least one of the tests shall be carried out at sea.
306 A demonstration including start-up of the individual systems and change-over from normal conditions to failure conditions shall be carried out.
307 Tests, additional to the approved test program, may be
required carried out by the surveyor.
B 400
Gyro compass
401 The settle point error of the master compass and the
alignment with the craft’s centreline shall be determined.
402 The bearing repeaters’ alignment with the craft’s centreline shall be checked (if applicable).
403 The divergence between the master compass and the
gyro repeaters shall be checked. After switching to no. 2 compass, the divergence with the gyro repeaters shall be checked
again.
404 The monitoring functions of the compass system shall
be tested.
405 The means for correcting errors caused by speed and latitude shall be tested.
B 800
Echo sounder
802 The depth warning or alarm shall be tested.
B 900
Speed log
901 The speed log shall be checked for accuracy and, if necessary, calibrated.
B 1000 Electronic position-fixing systems
1001 All electronic position-fixing fitted systems shall be
function-tested.
1002 The accuracy of the electronic position-fixing systems
shall be checked.
B 1100 Radar system
1101 The accuracy of bearing of the radars shall be tested by
the reading of at least 4 fixed positions on the display at a
known position of the craft.
1102 The accuracy of range measurement shall be tested by
measuring the distance to at least 2 fixed positions at each
range while the craft is in a known position.
1103 The “heading marker” shall be checked against a visible target dead ahead.
1104 Failure mode by disconnecting a fuse shall be observed.
1105 Tests shall be carried out to verify the manual and automatic target acquisition facilities of the radar system including warnings when CPA/TCPA limits are exceeded.
1106 When manoeuvring the ship, the normal functioning of
the system, including automatic acquisition, shall be checked.
1107
Sensor input and presentations shall be checked.
1108 The radar overlay function (chart radar) to be checked,
and verified that common reference point is used for range/
bearing calibration.
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.4 – Page 20
B 1200 Alarm system
1201 The off-track monitoring system shall be tested. It shall
be checked that the off-track alarm is transferred to the places
specified if it is not acknowledged within the pre-set limit.
1202 The traffic-monitoring function of the ARPA (guard
zones and CPA or TCPA) shall be tested. It shall be checked
that the warning is transferred if not acknowledged within the
pre-set limit.
1203 The off- heading monitoring system shall be tested. It
shall be checked that the off-course alarm from the heading
control system and the compass deviation alarm from the compass monitor is transferred to the places specified if it is not acknowledged within the pre-set limit.
1204 It shall be checked that the wheel over point approach
alarm from the ECDIS is transferred to the places specified if
it is not acknowledged within the pre-set limit.
1205 The watch monitoring (dead-man) alarm system shall
be tested and the transfer (if applicable) of alarms checked.
B 1300 Computer system(s)
1301 The tests can be combined with tests specified for the
different primary functions. Failure conditions, especially
power failure in the computer system as well as the computer
equipment, shall be simulated as realistically as possible. Manual re-start and, if relevant, automatic re-start and automatic
back-up shall be tested. Successive power breaks shall be simulated.
1302 If the computer system is used to carry out secondary
functions, testing of the system shall be carried out with all primary functions in operation and with maximum load from both
primary and secondary functions.
B 1400 Electronic chart display and information system,
(ECDIS) including back up system
1401 The accuracy, functionality and the alarm or warning
functions of the electronic chart display system including the
back up system, shall be tested. Performance of automatic
functions, such as positioning of the ship by means of dead
reckoning and GPS, plotting of the track and updating of the
data base, shall be included in the tests together with the following operations:
—
—
—
—
—
route planning
altering of the route while underway
positioning by bearings and ranges
manual adjustment of the ship's position on the screen
scale changes and zooming functions.
1402
Self-check programs shall be run.
B 1500 Track control system ( if applicable)
1501 The electronic chart display system is included in the
testing of the Track control system if such system is installed.
The performance of the system, including alarm or warning
functions, shall be tested along a pre-planned route consisting
of different courses.
1502 The route shall consist of at least six course changes
and include a course change not less than 135° at minimum radius turn to each side as well as a turn of approximately 90° at
a radius of not less than 2 nautical miles. The track keeping in
a turn during essential speed reduction shall be tested. The
alarm and warning functions of the track keeping system shall
be tested. Failure conditions shall be simulated to verify conclusions of approved FMEA.
1503 Self-check programs shall be run.
B 1600 Conning display
1601 The performance of the conning display shall be tested
as well as the accuracy and readability of the data displayed.
B 1700 Voyage data recorder (VDR)
1701 The voyage data recorder system, including all sensors,
shall be subjected to a performance test. The test shall be conducted by an approved testing or servicing facility to verify the
accuracy, duration and recoverability of the recorded data.
B 1800 Automatic identification system (AIS)
1801 The, automatic identification system including all sensors, shall be subjected to a performance test.
B 1900 Internal communication system
1901 The automatic telephone system and internal communication system between workstations shall be tested.
B 2000 Nautical communication system
2001 VHF or UHF systems shall be tested.
B 2100 Sound reception system
2101 The sound reception system shall be tested by measuring the sound level outside and inside the wheelhouse.
Guidance note:
The fundamental frequency of the sound signal used in testing
the system should be within the range of 70 Hz to 700 Hz.
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.5 – Page 21
SECTION 5
COMPARTMENT ENVIRONMENT
A. Bridge Working Environment
bridge wing listening posts while proceeding at full service
speed.
A 100 General
101 This section applies to conditions influencing the bridge
working environment.
A 200 Temperature and ventilation
201 The operating compartment shall be equipped with adequate temperature and ventilation control systems.
(HSC Code 15.9)
A 300 Colours
301 The surface materials inside the operating compartment
shall have a suitable colour and finish to avoid reflections.
(HSC Code 15.10)
Guidance note:
Bright colours should not be used. Dark or mid-green colours are
recommended, alternatively blue or brown. Colour can provide a
sense of warmth by the use of red and yellow, or coolness by the
use of green and blue.
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A 400 Vibration
401 Uncomfortable levels of vibration causing both short
and long term effects shall be avoided in the bridge area.
Guidance note:
a)
The bridge should ideally be sited clear of the nodes and antinodes of the fundamental mode of vertical hull vibration,
in order to avoid both longitudinal and vertical vibration.
b)
The following table lists the vibration ranges which should
be avoided:
Range
0.1 to 0.5 Hz
Effect
Motion sickness, particularly
around
0.25 Hz
1.5 to 30 Hz
Vision blur, particularly 10 Hz to
25 Hz
10 to 20 Hz
Involuntary increase in muscle
tone leading to difficulty in controlling posture and movement
Sum: 0 to 30 Hz major Magnitude of effects depends
source of problems
upon vibration amplitude
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A 600 Lighting
601 A satisfactory level of lighting shall be available to enable the operating personnel to adequately perform all their
tasks both at sea and in port, by day and night. There shall be
only a limited reduction in the illumination of essential instruments and controls under likely system fault conditions.
(HSC Code 15.6.1)
602 Care shall be taken to avoid glare and stray image reflection in the operating area environment. High contrast in brightness between work area and surroundings shall be avoided.
Non-reflective or matt surfaces shall be) used to reduce indirect glare to a minimum.
(HSC Code 15.6.2)
603 A satisfactory degree of flexibility within the lighting
system shall be available to enable the operating personnel to
adjust the lighting intensity and direction as required in the different areas of the operating compartment and at individual instruments and controls.
(HSC Code 15.6.3)
604 Red light shall be used to maintain dark adaptation
whenever possible in areas or on items of equipment requiring
illumination in the operational mode, other than chart table.
(HSC Code 15.6.4)
605 During hours of darkness, it shall be possible to discern
displayed information and control devices.
(HSC Code 15.6.5)
606 Reference is made to additional requirements on lighting
in 12.7 (Pt.5 Ch.1 Sec.5 A) and 12.8 (Pt.5 Ch.3 Sec.4 D).
A 700 Surfaces
701 The wheelhouse surface finishes shall be considered an
integral part of the structure, layout and environment design.
702 All prepared surfaces shall be glare free.
Guidance note:
To achieve a glare free, matt finish for front part of deckhead,
bulkheads, consoles, surfaces around and below windows and
other, a short-haired fibre coating should be used.
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A 500 Noise
501 Uncomfortable levels of noise, or noise which may affect safe and efficient bridge operation, shall not occur in the
bridge area. Both short and long term effects shall be avoided.
703 Wheelhouse, bridge wing and upper bridge decks shall
have a non-slippery surface when wet or dry.
Guidance note:
The level of friction on the wing and upper bridge decks should
not decrease by more than 10% between dry and wet conditions.
Guidance note:
a)
b)
c)
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The noise level in the wheelhouse should not exceed 65 dbA
in good weather, with bridge instruments in operation.
The noise of ventilation fans, intake fans and other noise
sources should be excluded from bridge operational area by
suitable siting of the fans and associated trunking.
The craft’s sirens or whistles should be sited as high as practicable and, if possible, forward of the bridge, so that the
noise level will not exceed that of 110 dB(A) and so far as
practicable should not exceed 100 dB(A), when measured at
704 All surfaces shall be robust enough to withstand the daily wear of the marine environment and require a minimum of
cleaning whilst retaining a good appearance.
Guidance note:
All surfaces should be capable of withstanding without deterioration, a temperature range of –20ûC to 70ûC, sea water, oils and
solvent common to craft and ultra violet light.
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.5 – Page 22
A 800 Safety measures
801 The operating area shall be free of physical hazard to the
operating personnel and have non-skid flooring in dry and wet
conditions and adequate handrails. Doors shall be fitted with
devices to prevent them moving, whether they are open or
closed.
(HSC Code 15.11)
Guidance note:
a)
There should be no sharp edges or protuberances which
could cause injury to personnel.
b)
c)
The operating compartment deck should be free of trip hazards, such as curled up carpet edges, loose gratings or equipment.
Means should be provided for properly securing portable
equipment.
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802 All safety equipment on the bridge shall be clearly
marked and easily accessible and have its stowage position
clearly indicated.
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Rules for High Speed, Light Craft and Naval Surface Craft, July 2004
Pt.6 Ch.8 Sec.6 – Page 23
SECTION 6
OPERATIONAL PROCEDURES
A. Classification
A 100 Application
101 The requirements in this section apply to the provision
of navigation procedures and safety manuals.
A 200 Introduction
201 An acceptable navigation safety standard can be obtained as follows:
a) By establishing and implementing a high standard of procedures and routines for normal operating conditions, to
reduce the probability of undesired and (potentially) hazardous events occurring.
b) By establishing and maintaining adequate emergency procedures, to counteract and handle an abnormal situation.
The aim will be to bring the situation back to normal, continue a controlled operation under abnormal condition or
discontinue the operation in a safe and orderly manner.
202 The owner or the craft operator shall submit for approval
copies of the navigation safety manual required in this section.
The approval is limited to ensure that relevant requirements in
this section are included in the manual.
203 Procedures shall ensure that watchkeeping arrangements are adequate for maintaining a safe navigational watch.
204 The officers of the watch shall be responsible for navigating the craft safely during their periods of duty and carry out
bridge operations in accordance with established procedures.
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