M10 Revision Flashcards
1
Q
What is the purpose of ICAO?
A
To harmonise international standards in civil aviation both nationally and internationally
2
Q
What does “ICAO” stand for?
A
International civil aviation organisation
3
Q
When and where was ICAO created?
A
Chicago convention in 1944 and fully ratified on 4th April 1947
4
Q
Who are members of ICAO?
A
Almost all countries in the world. (193 as of 16/02/21. There are about 196 in the world)
5
Q
What are SARPS?
A
Standard and recommended practices, which individual states reference when developing their legally enforceable national civil aviation.
6
Q
How does ICAO ensure its regulations are complied with by its members?
A
All ICAO member countries must comply with these regulations as a condition of joining ICAO.
7
Q
Who created ECAC?
A
European council with the help of ICAO
8
Q
What are the strategic priorities of ECAC?
A
Safety, security and environment
9
Q
What were the joint aviation requirements based on?
A
FAA regulations
10
Q
What does “EASA” stand for?
A
European aviation safety agency
11
Q
How was EASA created?
A
EASA was ratified under 1592/2002 basic regulation and fully established by European Union (parliament and council) in 2003 as a law-making body. It replaced the JAA (who could only make recommendations)
12
Q
What is a competent authority?
A
A country’s national aviation authority with the right to to issue authorisations on behalf of EASA
13
Q
Which EASA document deals with the management of the continuing airworthiness of aircraft?
A
Implementing rule (IR) continuing airworthiness, Annex 1 Part M continuing airworthiness
14
Q
Which EASA document is the regulation governing the airworthiness and certification of aircraft and aircraft products?
A
Implementing rule (IR) initial airworthiness of 748/2012 is the law and Part 21 (the annex)
15
Q
Which EASA document details the standards for the design and manufacture of large aircraft?
A
Certification specification 25 (cs25)
16
Q
What information would be found in any EASA regulation section A?
A
The requirements with which the organisation or individual must comply and gives guidance on how these requirements can be satisfied
17
Q
What information would be found in any EASA regulation section B?
A
The procedures that the competent authority (NAA’s) follows to regulate approved organisations and individuals
18
Q
What information can be found in an EASA regulation supporting document “guidance material”?
A
Expands on acceptable means of compliance. Clarifies what the AMC is saying.
19
Q
What is a notice of proposed amendment (NPA)?
A
The drafting of the rules are notified on the EASA website through a notice of proposed amendment (NPA), interested parties can make comment using the comment response document (CRD)
20
Q
What is the objective of regulation 376/2014?
A
Ensure that the necessary safety intelligence is available to support the safety management efforts of the whole European aviation community
21
Q
What two reporting systems should organisations set up?
A
Voluntary and mandatory
22
Q
What is the function of the European central repository?
A
Store all occurrence reports collected in the union, agency and each member state shall transfer all information relating to the safety stored in the national databases to the ECR
23
Q
What time period is required for the competent authorities to transfer occurrence reports to the ECR?
A
No later than 30 days after entry in the national database
24
Q
Why are “interested parties” not granted to direct access to the ECR?
A
For security reasons
25
Who should interested parties established outside the union address their request for information contained in the ECR?
Requests should be made to the European Commission
26
If a part 145 maintenance organisation is located outside the European Union who is the competent authority?
EASA
27
What document does a maintenance organisation compile and send to the national aviation authority to gain or amend its approval?
Maintenance organisation exposition (MOE)
28
How often must the man hour plan be reviewed?
Three months
29
What categories of license holders must a maintenance organisation employ at line stations?
B1 and B2 (could be one person)
30
What are Cat A, B1 and B2 license holders know as at base maintenance?
Support staff
31
What category(s) of license holder may release an aircraft to service following scheduled base maintenance?
Cat C
32
What qualifications are needed by an individual to release a component to service?
Company authorisation and trained i.a.w. National requirements (there is not a part 66 license yet for components)
33
What training is necessary for certifying staff employed in a part 145 maintenance organisation situated outside of the European Union?
Suitable foreign licenses and undergo human factors and legislation training as well as completing types/tasks training and satisfying the usual experience requirements.
34
To whom must potential maintenance organisation certifying staff demonstrate adequate understanding of the aircraft/components as well as organisation procedures?
Quality manager/department
35
What 2 statements are being made when a certificate of release to service is signed/stamped?
A. Work was carried out i.a.w part 145 procedures
B. Aircraft/component is ready for release to service (serviceable).
36
For how long must maintenance records be retained?
At least 3 years from the date that the aircraft was released to service
37
Within what time period must an occurrence report be sent off to the relevant recipients?
Within 72 hours but by telephone if urgent and followed up by the report within the 72 hours
38
How often must independent quality audits be carried out in a maintenance organisation?
Every 12 months. All areas must be covered over a 12 month period
39
What is an MOE and what does it detail?
The maintenance organisation exposition: book which explains how the organisation is going to comply with part 145. It will contain all the information required by the national aviation authority to issue or reissue the part 145 approval
40
For how long is a part 145 maintenance organisation approval valid?
Unlimited as long as:
A. Remains in compliance with the regulations
B. The approval isn’t revoked or suspended
The competent authority is granted access when required
41
What is a “finding”?
A non-compliance of a regulation
42
How many types of findings are there and what are the categories?
Level 1 - Lowers safety standard and seriously hazards flights safety
Level 2 - could lower safety standards and possibly hazard flight safety
43
What does annex III (part 66) of implementing rule continuing airworthiness deal with?
Certifying staff - aircraft maintenance licenses
44
Excluding B3, B2L and L aircraft license categories, sub part A of part 66 covers which main license categories?
Cat A, B1, B2 and Cat C
45
What aircraft are covered under ‘group 1’?
Complex motor-powered aircraft as well as multiple engine helicopters, aeroplanes with maximum certified operating altitude exceeding FL290, aircraft equipped with fly-by-wire systems and other aircraft requiring an aircraft type rating when defined so by the Agency
46
What is the definition of a complex motor-powered aircraft?
• MTOM >5700Kgs
Certified for passenger seating > 19
• Crew of at least 2 pilots
Equipped with turbojet engines or more than one turboprop engine
helicopter MTOM >3175 Kg
• Certified for passenger seating > 19
• Crew of at least 2 pilots
• Tilt rotor aircraft
47
To whom does an individual apply for an aircraft maintenance license?
Competent authority on EASA form 19.
48
If an EASA license is issued by the German civil aviation authority, and the holder then emigrates to live and work in France, to whom does the holder apply for the addition of a type rating he has been awarded following training at Airbus in Toulouse?
The German civil aviation authority
49
What are the age restrictions regarding the issue of an aircraft maintenance license?
18 years old to apply for a license. (They must be 21 to exercise privileges)
50
What categories of task may a Cat A license holder certify?
Minor scheduled line maintenance and simple defect rectification which they have specifically trained. Can only sign for work that they have personally completed, cannot cover-sign
51
What categories of task may a Cat B1 license holder certify?
Aircraft structure, mechanical systems, electrical systems and power plants. Also, avionic tasks that require simple tests to prove serviceability.
52
What categories of task may a Cat B2 license holder certify?
Avionic systems, any aircraft type and electrical systems.
53
What categories of task may a Cat C license holder certify?
Issue CRS following base Maintenance
54
What are the language requirements for an aircraft maintenance license holder?
Be able to communicate in the organisations technical documentation language
55
Who can conduct examinations for aircraft maintenance license applicants?
147 approved training organisations and the competent authority
56
What are the regulations regarding the number of attempts at a part 66 module exam?
Three consecutive attempts, further sets of three may be attempted after a 12 month waiting period. Alternatively, if there is a gap of more then one year between attempts, it will reset to three attempts remaining.
57
How much experience must a Cat B1.1 license holder have before he can exercise the privileges of that license with: (a) no previous relevant technical training ; (b) as an already-skilled worker in technical trade: (c) having attended a part-147 approved basic training course?
A) 5 years
B) 3 years
C) 2 years
58
For how long is an aircraft maintenance license valid?
5 years
59
In addition to their basic license, what additional training must a Cat A aircraft maintenance license holder attend to obtain privileges and who must conduct this training?
Specific task training including theory and practical and supervised tasks prior to approval being issued. Training is carried out at a part 147 organisation or a part 145 maintenance organisation with specific approval (would be mentioned in their exposition)
60
How does an aircraft type training course differ between a Cat B and Cat C license holder?
Cat C does not require any practical training, just theory.
61
What is the implementing regulation to part-21?
748/2012 initial airworthiness
62
What information does CS-E contain and how is the book split regarding information?
The standards to which piston and gas turbine must be built. The CS is split into two books. Book 1 contains the standards for compliance and book 2 the AMC and GM.
63
What is the purpose of part-21?
It lays down the requirements to be met by organisations wishing to gain POA and DOA and gaining approvals for products, parts and appliances.
64
Under part-21, what is the definition of an airworthiness directive?
A document issued or adopted by EASA which mandates actions to be performed on an aircraft to restore an acceptable level of safety, when evidence shows that the safety level of this aircraft may otherwise be compromised
65
What is an aircraft ‘product’?
Aircraft, engine or propeller
66
What does a type certificate signify?
That the part, product or appliance meets the requirements of part-21 and the relevant CS’s and airworthiness codes
67
If there are to be extensive changes to an aircraft’s power thrust what will have to happen?
A new type certificate will have to be applied for including any investigations
68
When would a restricted certificate of airworthiness be issued?
For an aircraft that does not fully meet the requirements however,
• Any airworthiness provisions not complied with are compensated for by factors that provide an equivalent level of safety
• No feature or characteristic makes it unsafe for the uses for which certification is requested
• The Type Certificate applicant has expressly stated that it is prepared to comply with Design Organisation responsibilities
69
What document would you find the basic specifications (weight, dimensions etc) of a new aircraft?
Type certificate data sheet
70
What is the minimum amount of hours flight testing that is required for piston engine aircraft using a new type of engine?
At least 150 hours, 300 hours for turbine engine not previously used
71
Who can a type certificate be transferred to?
A person that is able to demonstrate its ability to undertake the obligations of the existing type certificate holder
72
How long can the type certificate holder delay producing the manuals for overhaul?
After the product has entered service but before the product reaches the relevant age or flight hours/cycles
73
What is the classification for a minor change to a type certificate?
Minor change does not affect mass, balance, structural strength, reliability, operational characteristics, noise, fuel venting, exhaust emissions or other characteristics affecting airworthiness. All other changes will be classed as major.
74
Who can approve and classify a minor change in type design?
EASA or appropriately approved design organisation
75
If a maintenance organisation wishes to design a major modification, and they are not the aircraft design authority, what approval must they hold?
Design organisation approval (DOA) to issue a supplemental type certificate
76
What is a supplemental type certificate (STC)?
A major design change to an existing type certificate carried out by another design organisation that has demonstrated its capabilities. I.e. conversion of passenger aircraft to a cargo aircraft or exclusive interiors fitted instead of standard type certificate holders fit.
77
What must a design organisation produce to describe their procedures?
A handbook
78
Who holds an aircraft’s certificate of airworthiness?
The person/organisation to whom an aircraft is registered
79
When can a certificate of airworthiness or restricted certificate of airworthiness be issued?
C of A can be issued to aircraft that conform to a type certificate
Restricted C of A can be issued to aircraft:
A) which conform to a restricted type certificate; or
B) which have been shown to EASA to comply with specific airworthiness specifications ensuring adequate safety
80
What is a prerequisite to the issue of a certificate of airworthiness?
Design must be approved and the individual aircraft must be shown to have been manufactured in accordance with the design (type cert)
81
What 2 basic requirements are necessary for the validity of a certificate of airworthiness?
1) the aircraft is maintained in accordance with the maintenance schedule and
2) any action for continued airworthiness has been carried out
82
Who mandates the requirements for, and who issues, an aircraft’s certificate of airworthiness?
It is a requirement of the icao and is issued by the naa to an individual aircraft
83
What book forms part of an aircraft's Certificate of Airworthiness?
The aircraft's Flight Manual is also covered by the certification and forms part of the certificate.
84
How many Certificates of Airworthiness does a Commercial Operator require if he is operating 3 Airbus A320's and 4 Boeing 777's?
7 - 1 for each aircraft
85
What information is required on the application for a Permit to Fly?
• Purpose of the flight
• Ways in which the aircraft does not comply with airworthiness requirements
• The approved flight conditions
86
What is a permit to fly?
Issued to aircraft that do not meet applicable airworthiness requirements but are capable of safe flight under defined conditions.
87
Who can issue permits to fly?
Competent Authority, approved Design Organisation, approved Production Organisation, approved CAMO
88
Who can approve Permit to Fly flight conditions when related to safety of design?
EASA or Design Organisation with approval to do so
89
When can a Permit to Fly of unlimited duration be issued?
For non-commercial activity on non-complex aircraft which a Certificate of Airworthiness (C of A) or Restricted C of A is not appropriate.
90
When does a Certificate of Registration become invalid?
A change of ownership
91
What does the issue of a Noise Certificate indicate?
That the aircraft complies with the noise regulations of the issuing country.
92
Who can amend a noise certificate?
NAA
93
How often will an aircraft require weighing if on individual weighing programme?
Prior to entry to service, and every four years thereafter
94
What is traffic load?
Total mass of passengers, baggage, cargo, specialist equipment and ballast
95
An average dry operating mass and C of G position may be used as the fleet mass and C of G position, provided that?
$0.5% of the maximum structural landing mass from the established dry operating fleet mass;
or
The C of G position of an individual aeroplane does not differ by more than $0.5% of the mean aerodynamic chord from the established fleet C of G.
96
What is the modification classification when an aircraft’s radio is upgraded?
Major
97
Who issues a uk aircraft’s radio license?
The office of communications (ofcom)
98
What is the validity of a radio license?
36-months can be applied for 2 months in advance of expiry
99
What is the definition of continuing airworthiness?
Actions required to keep an aircraft in an airworthy condition as when it was built.
100
Who is responsible for the continuing airworthiness of an aircraft?
Owner or operator, if leased responsibility must be clearly defined in the leasing contract
101
Under part M, what is the maximum amount of time to elapse before an occurrence report must be completed?
72 hours (same as others)
102
In addition to preflight inspections, and damage rectification, how does an operator ensure continuing airworthiness of its aircraft?
Scheduled maintenance, ensures maintenance ischedule is effective, AD’s and NAA tasks and repairs
103
Who must approve repair data?
Part 21 organisations or EASA
104
A certificate of release to service should be signed asap but what is the maximum of time allowed until it is entered into the record system?
30 days (see M.A. 305 para)
105
Detailed maintenance records of the aircraft and lifted components must be kept for how long?
36 months after aircraft or component has been released to service
106
What information is contained in section 2 of the aircraft technical log?
Next schedule maintenance date, out of phase servicings and CRS from last maintenance check
107
In an aircraft’s technical log, which section contains take-off times, flying hours and fuel quantities?
Section 3
108
What is the difference between unsalvageable and unserviceable?
'Unserviceable' means that the component can be repaired or somehow reworked and restored to a serviceable condition and put back into service.
'Unsalvageable' means that the component is not recoverable and cannot be returned to service. In this case the component is scrap.
109
What three approvals are available for maintenance organisations to carry out maintenance on aircraft used for commercial air transport or small aircraft NOT used commercially?
Part 145 for large or CAT aircraft. Part M Subpart F (until Sep 2021) and/or Part-CAO for small non CAT aircraft.
110
Who requires a Maintenance Organisation Manual (MOM) and what is it?
Subpart F maintenance Organisation, similar to MOE.
111
When would a part m sub part f organisation normally change from a maintenance organisation manual (mom) to a full MOE?
Exceeds ten staff
112
To retain their company personal authorisations, what recent experience requirements must certifying staff have?
6 months relevant experience in previous 2 years
113
What organisation receives its approval under part m sub part g?
Continuing airworthiness management organisation (camo)
114
In addition to an appropriate position in the company and regarding aircraft over 2730Kg what qualifications and experience must Airworthiness Review staff have?
5 years' experience in continuing airworthiness/Part 66 license or a degree/Formal aeronautical maintenance training. Can have 10-years instead of having the Part-66 licence
115
List two of the nine tasks a CAMO must do to ensure the airworthiness of each aircraft it manages
Develop a maintenance program and gain NAA approval for it, Manage repair/mods approval, Ensure the maintenance is carried out IAW program, Ensure ADs are carried out, Ensure all defects are corrected to an approved standard, Coordinate maintenance activities, Manage and maintain maintenance records, Ensure the Mass and balance data is always correct.
116
How long must a CAMO retain documents relating to any ARC they issue?
At least 2-years from the aircraft being permanently removed from service
117
Tasks specified in a maintenance program for a non-complex aircraft <2730 KG can be carried out by the pilot so long as he has what?
Aircraft is of simple construction and has pilots' licence with a type-rating for that aircraft
118
What is an Airworthiness Review Certificate (ARC)?
An annual check of the aircraft fitness for service. An ARC is issued following successful completion of an Airworthiness Review.
119
What is a "controlled environment"?
Continually managed by the same CAMO or CAO for previous 12-month period. Been maintained for the previous 12 months by approved maintenance organisations (Part-M Subpart F, Part-CAO or Part-145) including certify staff and pilot owner tasks.
120
How many times can an ARC be extended?
Twice and on the third year it must have a review.
121
An EASA German Registered aircraft is sold to another person in the Germany, does the ARC remain valid?
Yes, so long as the aircraft is on the register of a member state it remains valid until its expiry date.
122
Regarding EASA regulation what is a dry Lease?
A lease agreement where an aircraft is operated under the AOC of the lessee.
123
Regarding EASA regulation what is a wet Lease?
A lease agreement where an aircraft is operated under the AOC of the lessor (Lender/landlord).
124
Implementing Rule Continuing Airworthiness has 4-new parts - Annex Va to Vd, briefly explain what each annex covers?
Annex Va Part-T: Covers (Dry Lease) licensed operators, operating aircraft registered in a third country.
Annex Vb (Part-ML): requirements to ensure that an aircraft remains airworthy.
Applicable to non-complex aircraft less than 2730Kg MTOM, rotorcraft 1200 kg or less, or other European Light Aircraft 2 (ELA 2) category aircraft. It contains requirements similar to Part M but is less burdensome, or lighter, and easier to comply with.
Annex Vc (Part-CAMO): requirements to be met by an organisation to be issued a Continuing Airworthiness Management Organisation Certificate for the management of continuing airworthiness of an aircraft and of its components. The requirements within Part-CAMO are very similar to the current requirements of Part-M Subpart-G. Part-M Subpart-G will be superseded by Part-CAMO on 24th Sept 2021
Annex Vd (Part-CAO): only applicable to non-complex motor-powered aircraft which are not used for commercial purposes. Part-CAO establishes the requirements to be met by Combined Airworthiness Organisations. These organisations are approved to carry out maintenance operations as well as continuing airworthiness management functions of aircraft and aircraft components. Combining these functions simplifies the process for smaller aviation organisations.
125
An aircraft is being used by an operator for Commercial Air Transport and wishes to also operate with Extended range Twin Operations (ETOPS) or All weather Operations
(AWOPS). What parts of Air Ops would the operator need to reference to find out how to gain his AOC?
Part-ORO, Part-CAT and Part-SPA.
126
How is approval to "operate an aeroplane for the purpose of commercial air transport" indicated?
Air Operator's Certificate (AOC).
127
If an Operator has a presence in several countries, where must they apply for an AOC?
Where they have their principal place of business.
128
When must an Air Operator allow the NAA access to their operation?
Whenever the NAA want to visit to ensure compliance.
129
What does the Operator's Manual detail?
How they will meet the requirements similar to an MOE.
130
Continued airworthiness of aircraft is whose responsibility?
Air Operator unless stated otherwise in the lease contract.
131
What is, and who creates, an aircraft Maintenance Programme?
Scheduled maintenance actions to be carried out. Created by the Operator and NAA approved.
132
What document must an Aircraft have to record the maintenance actions, and other relevant information, and who creates it?
Technical Log created by the Air Operator (Approved by the NAA).
133
If an Operator does not have a Part 145 approval how does it prove to the NAA that it can maintain airworthiness of its aircraft fleet?
They must have a contract with a Part 145 approved organisation that is acceptable to the NAA and show the contract to the NAA.
134
What is an MEL and describe its contents?
Minimum Equipment List. Details systems/components that may be inoperative prior to dispatch.
135
What is an MMEL and who creates it?
Master Minimum Equipment List. Manufacturer creates it.
136
Of the documents to be carried in an aircraft, which is only a copy of the original?
Air Operators Certificate.
137
What aircraft must have a flight deck door?
Aircraft with 19 passengers or more and used in CAT category
138
If a passenger door is inoperative, what action must be taken?
Check MEL to see if aircraft can be dispatched. If so, a red and white "No Entry" sign must be placed on the door and the operating instructions must be covered
139
What is the Air Transport Association?
Formed in 1936. Purpose is to promote knowledge of the air transport industry, increase efficiency, cost effectiveness and safety within the industry.
140
What are ATA Specifications?
Specifications regarding aircraft maintenance, training and documentation.
141
In accordance with which standard are electronic aircraft maintenance manuals laid out?
ATA iSpec 2200 (formerly ATA 100, still for hard copies and still forms basis of iSpec).
142
Boeing Toolbox is an example of what type data medium?
S100D international specification for technical publications utilising Common Source Databases.
143
Is the Aircraft Maintenance Manual customised or non-customised?
The AMM is produced by the aircraft design authority and is applicable to one aircraft type only. The manuals may then be customised for a particular operator's aircraft
144
How often are normal manual revisions issued?
Quarterly
145
How are temporary revisions identified?
Printed on yellow paper
146
Who is responsible for the content of the Aircraft Maintenance Program?
The operator
147
What document is the Maintenance Schedule (Maintenance Program) based on?
Maintenance planning document
148
What has replaced LAMPS and which aircraft does the replacement cover?
LAMPS has been replaced by the Self-Declared Maintenance Programme (SDMP).
Only covers non-commercial light aircraft and helicopters
149
What is the deactivation / reactivation index?
Shows in numerical sequence all of the MMEL and CDL items which require a maintenance action with the corresponding AMM task number.
150
How can you check if all the pages in a paper AMM are correct?
Check the List of Effective Pages (LEP) at the beginning of each chapter which shows the pages numbers their effective dates.
151
When a component is removed from the aircraft what documents are used for overhaul guidance?
Component Maintenance Manual, one book covering all the information required to service the component including parts list
152
What are the three divisions of a Wiring Diagram Manual?
Aircraft Schematics Manual, Aircraft Wiring Manual, Aircraft Wiring List.
153
Where will you find part numbers of component parts?
Illustrated Parts List in the Component Maintenance Manual.
154
Where will you find information regarding how to assess damage found to an aircraft's structure?
Structural Repair Manual.
155
What is the purpose of the Minimum Equipment List?
Lists the equipment which may be temporarily inoperative, subject to certain conditions, at the commencement of flight.
156
What information is contained in the Minimum Equipment List?
Maintenance actions or operational limitations applicable, any placarding in cockpit to remind crew.
157
What do the Prefixes (m) and (o) denote in the MMEL or MEL?
(m) Indicates a maintenance action is required. (o) denotes an alternate operating requirement.
158
How can operations with multiple unserviceabilities be catered for with regard to MEL?
It cannot be addressed by the MEL and would ultimately rest with the captain after seeking advice from specialists.
159
Which regulations detail the requirement for the Minimum Equipment List?
Requirement under Air OPS, and discussed under Part-M
160
Who is responsible for creation and approval of the Minimum Equipment List?
Compiled by operator, approved by NAA.
161
What is the relationship between the Minimum Equipment List and the Master Minimum
Equipment List?
The MEL may be MORE restrictive than MMEL but NEVER less restrictive.
162
Who issues Airworthiness Directives and are they compulsory?
BY EASA for EASA aircraft, By NAA's for non-EASA aircraft and EASA normally endorse foreign Non-EASA originated AD's for commercial aircraft.
163
What UK Civil Aviation Publications (CAP's) provide information on Airworthiness Directives (both UK and foreign) recorded by the UK CAA?
CAP 747 Mandatory Requirements for Airworthiness and CAP 476 Mandatory Aircraft Modifications & Inspections Summary (UK Aircraft) reference only as final issue was
Sep 2004.
164
If the time limit for complying with an Airworthiness Directive is exceeded, what are the consequences?
The aircraft is grounded (apart from a test flight).
165
What document is issued by an aircraft design authority, recommending a particular maintenance action is carried out?
Service Bulletin.
166
What types of aircraft modifications are there, and what are their definitions?
Major Modification = Affects airworthiness
Minor Modification = Does not affect airworthiness
Minor modification as "one that has no appreciable effect on the mass, balance, structural strength reliability, operational characteristics, noise, fuel venting, exhaust emissions or other characteristics affecting airworthiness". A Major modification is any change that cannot be considered a Minor one.
167
Who can classify changes to an CAA controlled aircraft?
The privilege to classify changes as major or minor will be granted to an approved Design Organisation by the CAA, if there is doubt with respect to a change's classification the CAA should be consulted.
168
How (and to whom) does a design authority apply for formal acceptance of a major modification to a non-EASA aircraft?
On the appropriate CAA Form (SRG 1726), accompanied by a Certificate of Design, to their National Aviation Authority.
169
How does the CAA signify approval of a Major Change?
Forwarding a copy of the STC or Airworthiness Approval Note.
170
What is the Civil Modification Record?
When the design of a modification is undertaken by an approved organisation, a detailed record shall be kept of any modifications carried out by them. This record shall be made available to the CAA for examination.
