The Design Delegation Holders Seminars held by the Aircraft and Product Certification Unit bring together participants from the industry, CAA, and other National Airworthiness Authorities (CASA, FAA, etc).
The seminars provide a forum for Design Delegation Holders and Part 146 Design Organisations' staff to discuss technical and professional topics, and network with other members of the industry.
2022 Part 146 Design Delegation Holders seminar
2022 Part 146 Design Delegation Holders virtual seminar
2021 Part 146 Design Delegation Holders seminar
2019 Design Delegation Holders and Part 148 seminar
2018 Design Delegation Holders Seminar Presentations
2017 Design Delegation Holders Seminar Presentations
If you wish to see presentations from earlier seminars, please email email@example.com.
Where appropriate, CAA provides advice, clarification or guidance to Design Delegation Holders and Part 146 Design Organisations. The following are relevant documents that have been issued in the past and remain current.
Schedule One [PDF 760 KB] – Guidance on what constitutes a major design change
Major Design Change Effectivity Changes (21 May 2021) [PDF 305 KB] – Clarification on aircraft effectivity changes
14 CFR 23 Amendment 64 (21 Oct 2020) [PDF 271 KB] – Expectations relating to Part 23 certification basis
Guidance regarding modifications using “Belly-Bands for Human External Cargo" (23 Dec 2016) [PDF 1.5 MB]
Guidance regarding modifications to aircraft seats (15 Sep 2016) [PDF 2.4 MB]
Composite safety and certification meeting – 2016 seminar on the safe use and certification of composite materials
If you have any questions about this topic, use our contact form, or email firstname.lastname@example.org.