21.A.11 Scope 21.A.13 Eligibility 21.A.14 Demonstration of capability 21.A.15 Application 21.A.19 Changes requiring a new type-certificate 21.A.20 Demonstration of compliance with the type certification basis, operational suitability data certification basis and environmental protection requirements 21.A.21 Requirements for the issuance of a type certificate or restricted type certificate 21.A.31 Type design 21.A.33 Inspections and tests 21.A.35 Flight Tests 21.A.41 Type-certificate 21.A.44 Obligations of the holder 21.A.47 Transferability 21.A.51 Duration and continued validity 21.A.62 Availability of operational suitability data 21.A.65 Continuing structural integrity for aeroplanes structures