Part 21: design and production approvals explained
Type certificates, certification bases, changes, STCs, design and production organisations, repairs, ETSO, airworthiness certificates and EU–US validation, under ICAO, EASA and FAA rules
What you will be able to do
- ✓ Explain how ICAO Annex 8, EU Part 21 and 14 CFR Part 21 link design approval, production approval and the certificate of airworthiness.
- ✓ Describe how a type certificate is applied for, how the certification basis is set and how compliance is shown, using CS-25, 25.1309 and the means of compliance codes.
- ✓ Classify changes and repairs as minor or major, choose the approval route and apply the changed product rule.
- ✓ Describe a design organisation approval, its privileges and the FAA's designee and ODA system, and plan a supplemental type certificate project.
- ✓ Decide approval routes for repairs and parts, including ETSO and TSO authorisations and FAA parts manufacturer approvals.
- ✓ Explain production approvals, certificates of airworthiness and Part 21 Light, and choose the validation route under the EU–US agreement.
Course content
Session 1 · The approval system: design, production and airworthiness
1.1
- Three approvals behind every aircraft · free preview
- ICAO Annex 8 and the States involved
- The European and American rule books side by side
- Worked example: mapping a cabin project to its approvals
Session 2 · Type certificates and the certification basis
1.2
- Applying for a type certificate and fixing the basis
- Certification specifications: CS-25 and 14 CFR Part 25
- Showing compliance and issuing the certificate
- From the investigation file: the fan hub on Air France Flight 66
Session 3 · Changes to the type design
1.3
- Minor or major: the classification test
- Who may apply and who approves
- The changed product rule
- Worked example: classifying two cabin changes
Session 4 · Design organisations and supplemental type certificates
1.4
- What a design organisation approval is
- Privileges, and the FAA's delegation system
- Supplemental type certificates
- Worked example: a twelve-month STC plan
Session 5 · Repairs, ETSO and parts approvals
1.5
- Repairs under Subpart M
- ETSO, TSO and parts approvals
- Repairs and alterations in the American system
- Worked example: choosing the route for a dent repair
Session 6 · Production, airworthiness certificates and validation abroad
1.6
- Production organisation approval, and production without it
- Certificates of airworthiness, permits to fly and Part 21 Light
- Bilateral agreements and validation
- Worked example: choosing the validation route under the TIP
Who this course is for
Course content © Aerospace Garage Limited. All rights reserved.