FOR.MAI.01 Edition 5
PART 145 REGULATION
AWARENESS TRAINING
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FOR.MAI.01 Edition 5
Objective of the training
Sensibilize ATIS staff to PART 145 and PART 66 requirements,
as well as to the use of liberatory documents
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Training program
1 - General
2 - Part-145
3 - Part-66
4 - EASA form 1
5 - Questionnaire
Training schedule
Chapters 1 and 2
1h20
Break
0h10
Chapters 3 and 4
0h40
Break
0h10
Questionnaire/correction
0h40
Total time
3h00
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1.- GENERAL
Organisation of regulation
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International Civil Aviation Organisation
Objective: allow the pacified world (after second world war) to take
benefit from air transport
FAA
FAR
52
countries
International
convention
Creation of international standard, of recommended
practices and of procedures covering the technical
scope of aviation (November 1944).
188
countries
ICAO
Permanent organism in charge of managing the
principles listed in the convention (December 1944).
41
ECAC/CEAC
countries
24
countries
EASA
European Convention of Civil Aviation
European Aviation Safety Agency
REGULATION
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European regulation (EASA)
REGULATION
ORGANISATION
TECHNICAL
Prod/
Concept
Part-21
A/C  5.7 T
CS-23
Operation
JAR OPS
A/C  5.7 T
CS-25
Maintenance
Part-145
Engines/APU
CS-E/APU
License
Part-66
Propellers
CS-P
Training
organisation
Part-147
Very light A/C
CS-VLA
A/C: Aircraft
CS: Certification specifications
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EASA and JAR (Joint Aviation Requirements)
CS-25
Large Aeroplane (>5,7 t)
Transportion of
passengers
Part-21
Certification procedures for aircraft
and related products and parts
Certification
& production
Licences des membres
d’équipage de conduite
EASA et JAR
JAR-OPS
Commercial Air transportation
Maintenance
Part-145
Approval of maintenance organisations
JAR-FCL
Flight Crew Licensing
Training
organisations
Part-66
Qualification certifying staff
Part-147
Approval of aeronautical maintenance
training organisations
Part-M
Continuing airworthiness management
JAR STD A series
Aeroplane Flight simulator
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2.- PART 145
Requirements for
maintenance organisations
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PART 145: Maintenance organisation
The PART 145 details requirements applicable to maintenance
organisations working on aircraft and aircraft parts to be
released to service in commercial transportation.
To perform maintenance and to issue a certificate of release
to service on aircraft or aircraft part registered in a country
member of european union or of EASA, a maintenance
organisation must be PART 145 approved.
Being PART 145 approved means that the organisation is
recognized able by its authority (DGAC for France) to perform
maintenance work within a defined approval schedule.
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Summary of principal
regulation requirements
Facilities
Part-145.A.25
Documentation
Part-145.A.35 to
A.60 and A.70
Tooling
Part-145.A.40
Store
Specific
manufacturer
Aircraft
specific tooling
Basic training
Mandatory
Part-145/ 66
Standard and
personnal
Type rating
«Unserviceable»
« Serviceable »
Consummables
Aircraft parts
Authorisations
Part-145.A.35
and Part-66
License
Internal
MOE, associated
procedures
« FORM 19 »
Receipt
Engineer
logbook
Expedition
OJT
Offices
Workshop
Plans of
facilities
List of
documentation
List of tooling
subject to
periodic
verification
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List of
certifying/support staff
A/B1/B2/C
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145.A.25 : Facilitiy requirements
External
working
Workplace
Line maintenance
Main Base
Hangars
FACILITIES :
• enough room
• Protected : rain, frost,
snow, wind, dust
• Clean floor (dust, liquids)
Satisfactory working conditions :
Offices
STAFF :
• management
• planning
• control
• certification
• production
Stores
AIRCRAFT PARTS :
•Packaging
•Adapted storage place
•Segregation:
« Serviceable »
« Unserviceable »
acceptable temp
adapted moisture
minimal dust
sufficient lighting
noise (no disturbing conditions)
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145.A.30 : Personnel requirements
Accountable manager
Provide human and material means
Established documented and approved procedures
Define the workload plan/man nour to show human
means are sufficient
Management staff
Operational staff, including
certifying staff
Name a quality manager
Qualified regarding experience and training according to
PART 66 license
Authorised to issue CRS (Certificate of Release to
Service) for the certifying staff
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145.A.30 : Personnel requirements
145.A.35 : Certifying staff and B1/B2 support staff
 MOE et associated procedures / PART 145
TRAINING
 Human factors
 Type rating, OJT
 2 year continuation training
Authorised staff
EXPERIENCE
Personal file
+ CRS card
 At least 6 months in the last past 2 years
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145.A.40 : Equipment – Tools - Material
Storage
Segregation
 According to regulation or customers’ requirements
 When non-conforme (in zone of type « Unserviceable »)
 With next control/check/calibration (mesure instruments)
Identification
Control
Documentation
 Date of validity
 With EASA Form one, …
 By an approved organisation or in accordance with
internal procedures, mandatory to use them
 Establishment of management lists
 Archiving of evidence
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145.A.42 : Acceptance of components
Ordering according to
Check
 Satisfactory (physical, EASA Form 1), unserviceable (to be
repaired), to be scrapped, standard parts, material and
consummables (certificate of conformity)
 Before installation, check of elligibility (after repair, an
aircraft part must have a EASA Form 1)
Manufacturing
 According to approved procedures (in the frame of base
maintenance)
Life limit
 Except deviation or approved repair solution, those parts
mus t be classified as to be scrapped
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145.A.45 : Maintenance data
Manual for non
destructive tests
Part-145
Maintenance
agreement
Airworthiness
directives
Service
letters
Aircraft
maintenance
manuel
Service
Bulletin
Documentation
for structural
inspections
Approved
modifications
Task
cards
Maintenance
program
Repair manual
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145.A.45 : Maintenance data
 The content of maintenance data can be modified only according a
procedure of the MOE (except in case of modification or repair).
 For the data issued by the organisaton of conception, this one must be
informed of any deviation from an approved maintenance date.
 Implementation of a procedure for the maintenance organisation to report
to the author of a document any element which could lead to an
unaccuracy, misunderstanding or confusion in the instructions provided.
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145.A.45 : Maintenance data (Repair solution)
Analysis
of dammages
Replacement
EXISTING
SOLUTION
No
or
PART 21 JA
Approved org.
Manufacturer
support
Maintenance manual
Approved process
CRS
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Definition
of
repair
Authority
approval
CRS
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145.A.45 : Maintenance data
Task cards
Records
Update
 Extract from manufacturer’s data
 Of maintenance operations according to task cards
 Archived for 2 years, protected from fire, flood… (PART
145.55)
 Of data confirmed by the customer
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145.A.47 : Production planning
 Of staff, tooling, equipements, material, data and facilities
Availability
 To perform the maintenance tasks correctly
 Taking human factors into account
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145.A.50 : Certification of maintenance
 Issued by an authorised staff
CRS
 To certify airworthiness of an aircraft
 To certify the conformity of an aircraft part
 When all the maintenance has been performed
 Necessary before any flight
After performing any maintenance operation defined
by the operator or any defect rectification
After performing any maintenance operation on a
removed aircraft part: becomes a EASA Form 1
 If the maintenance is not complete, the performance is noted without certification (the
operator will have to have the work performed)
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145.A.55 : Maintenance records
Record
Provide
 All the details of work and at the minimum, keep the
records to show compliance with requirements
 The operator with a copy of the certificate of release to
service, and a copy of any modified repair/modification
approved date
 During 2 years, a copy of all records and associated
maintenance data
Archive
 Protect those documents from fire, thief, flood
 The archives must be stored in a place different from
where the working documents arel
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145.A.60 : Occurrence reporting
(which could or could
have endangered flight safety)
Reporting
within 3 days
Internal
reporting
 Using a form required by the authority
 To the operator according to the agreement
 To the authority of registration if different from the
auhority of the maintenance organisation
 To gather and analyse events noticed
 To show deviations and to broadcast the information
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145.A.65 : Maintenance procedures and quality system
Quality policy
 Such as described in 145.70
 Must cover :
Safety and
quality policy
 All the aspects of the performance of maintenance
operations, including the providing and the control
of specialised services (NDT)
 Line and base maintenance, critical tasks
 Contain :
 The immediate recording of operations
 The revision of instructions/procedures
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145.A.65 : Maintenance procedures and quality system
 Independents
Audits
 12 month program for complete review
 Reviewed by the accountable manager
 Archived 2 years after closing findings/corrective actions
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MAINTENANCE
ORGANISATION EXPOSITION
145.A.70 : MOE
Table of content, list of revisions
and list of effective pages.
Description of management,
organisation
chart,
qualitysafety commitment of the
accountable
manager,
description of facilities, approval
schedule (list of aircraft types /
type of maintenance).
Audit program, management of
non-conformities, training and
follow-up of certifying staff.
Documents, forms, labels to be
used during maintenance work:
described and included in the
procédures.
0. Présentation of the MOE
1. Organisation (linked to maintenance)
2. Maintenance procedures
L2. Line maintenance additional procedures
3. Quality system procedures
4. Maintenance under OPS agreement
5. Annexes & associated procedures
6. OPS maintenance procedures(not concerned)
7. FAR Part-145 additional procedures (USA)
8. TCCA AM573 additional procedures (Canada)
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145.A.75 : Privileges of the organisation
Approval schedule
(PART 145 approval
certificate)
 Maintain any aircraft according to the approval schedule
 In another organisation working under its quality system
(see next page)
 Maintain any aircraft in any place for an exceptional line
maintenance operation or for maintenance to end AOG
situation
 Maintain any aircraft in a place listed in the MOE
 Issue certificate of release to service
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145.A.75 : Privileges of the organisation
PART 145
Sub-contractor
Non PART 145
Sub-contractor
 Work covered by its approval
 Work covered by the approval of the customer through its
MOE
 CRS issued by a personnal of the sub-contractor
authorised by the customer, or by an authorised
personnal belonging to the customer
In any case, sub-contractors are qualified and surveyed
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145.A.80 : Limitations on the organisation
Limitations
 Maintain an aircraft when the facilities, equipements,
material, maintenance data and certifying staff necessary
are available
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145.A.85 : Changes to the organisation
Informe in
case of change
of




Organisation name ;
Location of the organisation or additional site,
Accountable manager or management staff,
Facilities, approval schedule, sertifying staff.
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145.A.95 : Findings ( by the GSAC, Groupement pour la Sécurité de l’Aviation Civile)
Level 1
Any
significant
non
compliance with PART 145
which could lower the
level
of
safety
and
degrading the flight safety
Withdrawal//suspension of
the
approval
until
implementation
of
corrective action
Action plan
Level 2
Any
significant
non
compliance with PART 145
which could lower the
level of safety and which
could eventualy degrade
the flight safety
Lead
time
for
implementation
corrective action
Definition of a corrective
actions
plan
to
be
implemented in the respect
of lead times agreed with
the authority
the
of
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3.- PART 66
Requirements for
certifying staff
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PART 66
Part-66 gives conditions to be complied with by the staff of PART 145
approved maintenance organisation, authorised to issue CRS on aircraft
whose maximum takeoff weight is above 5,7 tons.
CRS: Certificate of Release to Service.
CRS certifies the complete performance and compliance of any maintenance
task, in accordance with the request.
Part 66 gives conditions in which personnel compliant with elligibility
conditions are granted, at their request, a aircraft maintenance engineer
license, called PART 66 license. This request is under the responsibility of the
engineer, who makes his request through a form 19, which is also used to
justify his experience.
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PART 66 license and autorisation categories
A : Line maintenance engineer
B1 : « Mechanical » engineer: Line
maintenance / base maintenance
support staff
B2 : « Avionics » engineer: line
maintenance / base maintenance
support staff
C : Base maintenance certifying staff
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PART 66 : CRS authorisations
The maintenance organisation grants with CRS authorisations when the staff:
INITIAL
AUTHORISATION
RENEWAL OF
AUTHORISATION
Owns a valid PART 66 license
X
X
Has the type rating for the aircraft related to the authorisation
X
Has enough current experience on the aircraft type (100 days and 40
days per aircraft type in the 24 last passed months)
X
X
Is up to date regarding human factors training (2 year validity)
X
X
Is up to date regarding aircraft continuation training (2 year validity)
X
X
Is up to date regarding MOE and PART 145 (2 year validity)
X
X
Is OK regarding medical check
X
X
CRITERIA
CRS authorisations are renewed every two years.
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4.- EASA FORM 1
Release documents
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EASA FORM ONE : whet, when and where ?
An EASA form one is an authorised release document. The authority delegates the conformity
of a P/N thanks to this form.
NEW PRODUCTS
Any part installed on aircraft must have a filled
in EASA Form 1, except parts/consumables such
as seals, screws, oil…for which a certificate of
conformity is sufficient.
Acceptable type of document
Aircraft parts/equipment with a
P/N created by the
manufacturer
EASA Form 1 or equivalent
Standard parts (not serialized)
Certificate of conformity
(EASA Form 1 not mandatory)
Row material / consumables
Certificate of conformity
Attention :

Maintenance must be performed in the facilities described in the MOE or in the
facilities of the sub-contractors not approved but covered by the approved
maintenance oragnisation and listed in the MOE.

EASA Form One must be signed by a certifying staff in the place of performance
of tasks.
An approved organisation is not allowed to sign EASA forms 1 for any thing at any place.
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EASA FORM 1
Blocks 1-13 to 19-24 must be filled in (block 6 : option).
Blocks 14 to 18 concern new parts, reserved to manufacturers (POA).
Blocks 19 to 23 concern repaired parts.
Block 19 : regulation under which the work was performed.
Filling in :
Do not modify the format.
EASA Form 1 can be digital or pre-printed:
the signature has to be hand-written !
Fill in the form in english for export. Can
be in french for domestic use.
A compliance check must be performed
between the EASA form 1 and the material.
BLOCK 12 :
•
Manufactured
•
Overhaul
•
Inspected/tested
•
Modified
•
Repaired
•
Retreated
•
Reassembled
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EASA FORM ONE : sub-contracting
When sub-contracting to non approved PART 145 organisations :

The CRS must be issued in the name of the approved oranisation.

Workshop performing equipments revision or CND must be approved.

If only one part of maintenance work is sub-contracted, and if the sub-contractor is also
PART 145 approved, it releases its workwith an EASA Form One that the main
organisation will archive in its working file, in support of the EASA Form 1 issued to
cover the whole maintenance work.
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EASA FORM ONE : Airworthiness of new parts
This point is essential !

Its correct and systematic implementation helps to reduce the risk of installing non
approved parts on aircraft ("bogus parts" or "suspected unapproved parts" of the FAA).

The PART 21.307 says that no spare part (except standard) can be installed on a product
which received a type certificate if it is not accompanied with an airworthiness document.

The PART 21.307 of Subpart N precise that no imported spare part can be installed on a
product which received a type certificate if it is not accompanied with an airworthiness
label issued, in application of a bilateral agreement from the non EASA authority, and
certifying the compliance with a definition approved by EASA.

Depends on bilateral agreements in force.
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EASA FORM ONE : parts manufactured by the
organisation
Not applicable for ATIS Aviation yet.
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EASA FORM ONE : spare parts from USA
 Ellibibility of material covered by a 8130.3 "Export" form in general, or because of bilateral
recognition betwee France and USA.
 Attention to 8130-3 "for identification" which are not elligible for export.
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