NZQA Expiring unit standard
23455 version 2
Page 1 of 4
Title
Demonstrate knowledge of aviation meteorology for air traffic
services
Level
4
Credits
4
Purpose
People credited with this unit standard are able to describe the
composition of the atmosphere and various meteorological
phenomena that may be encountered in the provision of air
traffic services (ATS); demonstrate knowledge of standard
meteorological reports, the abbreviations and terminology
used, and types of information available to pilots from ATS; and
demonstrate the ability to apply meteorological observations
and complete appropriate reports.
Classification
Aviation > Air Traffic Services
Available grade
Achieved
Explanatory notes
1
The Civil Aviation Act 1990 and Civil Aviation Rule Part 65 detail the legislative
requirements in relation to this unit standard. This unit standard is aligned to the Civil
Aviation Act 1990, Civil Aviation Rule Part 65, which reflects International Civil
Aviation Organisation (ICAO) Standards and Recommended Practices as adopted by
New Zealand. This unit standard is also aligned to the associated Civil Aviation
Advisory Circular (AC) 65 series containing the syllabus for Air Traffic Services
Personnel Licences and Ratings, and Part 65.103(a)(5)(v) that applies to the Flight
Service Operator Licence. Information relating to Civil Aviation Authority of New
Zealand (CAA of NZ) Rules can be obtained from the CAA of NZ website on
http://www.caa.govt.nz/.
2
Standard industry texts including but not limited to – Aeronautical Information
Publication New Zealand (AIPNZ) (http://www.aip.net.nz),
CAA of NZ publications,
ATS provider Exposition,
aerodrome emergency plans,
published aviation training manuals or text books,
The ATS provider Exposition meteorology coding manuals.
3
This unit standard may be assessed against in a workplace environment, or a
training or education environment if simulated work conditions can be provided or in
a combination of both environments.
ServiceIQ
SSB Code 9068
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
23455 version 2
Page 2 of 4
Outcomes and evidence requirements
Outcome 1
Describe the composition of the atmosphere and various meteorological phenomena that
may be encountered in the provision of ATS.
Evidence requirements
1.1
International standard atmosphere (ISA) is described in accordance with
standard industry texts.
Range
1.2
Stages of a thunderstorm are described in accordance with standard industry
texts.
Range
1.3
drizzle, rain, sleet, hail, snow, showers, dew.
Factors that affect visibility are described in accordance with standard industry
texts.
Range
1.8
hoar frost, clear (glaze) ice, rime ice, freezing rain.
Forms of precipitation are described in accordance with standard industry texts.
Range
1.7
warm, cold, occluded, stationary fronts, characteristic weather and
movement, dangers to flying.
The types and properties of icing are described in accordance with standard
industry texts.
Range
1.6
dry adiabatic lapse rate, saturated adiabatic lapse rate.
The characteristics of fronts are described in accordance with standard industry
texts.
Range
1.5
growing stage, mature stage, decaying stage.
The adiabatic process in relation to atmospheric stability is described in
accordance with standard industry texts.
Range
1.4
pressure, surface temperature, lapse rate.
fog (radiation, advection), mist, haze, smoke, sea spray,
precipitation.
Turbulence and its causes are described in accordance with standard industry
texts.
Range
ServiceIQ
SSB Code 9068
thermal, mechanical, wind shear (vertical and horizontal), wake
turbulence.
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
1.9
23455 version 2
Page 3 of 4
The characteristics, formation, and typical location of a jet stream is described
in accordance with standard industry texts.
Range
vertical and lateral extent, wind strength.
Outcome 2
Demonstrate knowledge of standard meteorological reports, the abbreviations and
terminology used, and types of information available to pilots from ATS.
Evidence requirements
2.1
Distinctions between forecasts and meteorological reports are explained in
accordance with standard industry texts.
2.2
Meteorological reports issued for pilots are described by type and in accordance
with standard industry texts.
Range
may include but is not limited to – aviation routine weather report
(METAR), aviation selected special weather report (SPECI),
special aerodrome report (SPAR), aerodrome forecast (AF), area
forecast (ARFOR), information concerning en route weather
phenomena which may affect the safety of aircraft in flight
(SIGMET), flight information service communications broadcast
(FISB), automatic terminal information services (ATIS).
Outcome 3
Demonstrate the ability to apply meteorological observations and complete appropriate
reports.
Evidence requirements
3.1
Meteorological information is gathered, encoded, and decoded using standard
abbreviations and formats in accordance with standard industry texts.
Replacement information
This unit standard replaced unit standard 15519.
This unit standard, unit standard 23463, and unit
standard 23464 have been replaced by unit standard
28045.
This unit standard is expiring. Assessment against the standard must take place by
the last date for assessment set out below.
ServiceIQ
SSB Code 9068
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
23455 version 2
Page 4 of 4
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
25 July 2007
31 December 2016
Review
2
21 November 2013
31 December 2016
Consent and Moderation Requirements (CMR) reference
0174
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
ServiceIQ
SSB Code 9068
 New Zealand Qualifications Authority 2016