Information for Delegation Holders Peter Gill Airworthiness Engineer.
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Transcript of Information for Delegation Holders Peter Gill Airworthiness Engineer.
![Page 1: Information for Delegation Holders Peter Gill Airworthiness Engineer.](https://reader035.fdocuments.net/reader035/viewer/2022062421/56649ca25503460f94960d42/html5/thumbnails/1.jpg)
Information for Delegation Holders
Peter GillAirworthiness Engineer
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Topics to be covered:
Delegation Changes since 2009 Major Design Change Authorisation
Process Manufacturing Considerations STC’s AC’s Other Miscellaneous Topics
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Delegation Changes since 2009
No approval of modification classified as “major design change” (schedule One) without CAA authorisation
CAA undertook to give authorisation for appropriate “one-off” modifications where not contrary to CAA policy
All delegations which included modifications were re-issued August 2010
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Authorisation Process
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Authorisation Requests
2010 10 Yes 0 No 2011 54 Yes 5 No Reasons for No: 1 – Unusual design features
1 – HEC (CAA Policy – STC)1 – 21.303 (later authorised)1 – Operational Concern1 – TCDS Change
2012 10 Yes 0 No
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Manufacturing Considerations
Part 146 organisations approve data – do not authorise manufacture
CAA expect part 146 organisations to promote compliance with Rules where possible
CAA has publicised compliance with 21.303 to industry (Vector magasine article Nov/Dec 2010)
Factor in authorisation process
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Manufacturing Considerations Contd
CAR 21.303 – be manufactured “by a person performing maintenance on the product…” No subcontracting (can supervise) NOTE: “Subcontracting” term here is used in the
manufacturing sense where the manufacturer takes responsibility for the subcontractors work.
Where the “subcontractor” has an organisation certificate of its own and can issue a release certificate, that is acceptable (they are then a “supplier” rather than a ‘subcontractor”.)
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Manufacturing Considerations Contd
How to approved “existing” equipment (where origin unknown)? Should be a document (Form One or
Two) identifying part and origin Part 21Q has always required part
marking
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STC’s
See later presentation from Beth Small number of “New” STC’s Large number started, stalled Time delays – CAA extra assessment Certification Basis – Determine iaw FAR
21.101 Changed Product Rule Requirement for any STC where FAA validation is likely
to be sought Should always specify why you can’t/don’t use the latest
requirements
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Advisory Circulars
Advisory Circulars to be revised or written by ACU (we welcome comments or suggestions): AC 146-1 - Clarify CAA position on “one-
man-bands”; Clarify Delegation Issue Process; General Update
AC 148-1 – General Update; Remove Extraneous material; Clarify CAA position on Subcontractors, senior person qualifications, Critical Parts, Design Data.
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Advisory Circulars Contd
AC 43-9 (Mods, Repairs, 337) – Complete re-write and update
AC 91-5 (PEDS) – General update
New AC on aircraft Electrical Load Analysis
- Probably an AC 91-X – detailing how the owner should maintain an ELA for his aircraft
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Miscellaneous Topics
Where making a minor change to a “major design change” – is this major? Original approver? Effect of change?
Continuation of Class A/B delegation classifications? Not yet determined
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Miscellaneous Topics Contd
Delegation of Part 146 activities: Testing Data (eg Weight & Balance data)
Electrical/Mechanical demarcation 1309 training – Seen by CAA as
essential
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Miscellaneous Topics Contd
Surveillance – effect of new policy Increased preparation More targeted audit No change to delegate monitoring
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Questions?