Appendix B to GM 21.A.101 Application charts for changed product rule

Appendix B to GM 21.A.101 Application charts for changed product rule

CAA ORS9 Decision No. 1

Table A-16. Application Chart for 21.A.101(a) and (b) and 21.A.19

Substantial (21.A.19)	Significant (21.A.101(a) and (b))				Not Significant (21.A.101)(b)(1))
Substantially changed product Compliance with all latest CSs required for product certification. Previously approved type design and compliance data may be allowed if valid for the changed product	Affected area (Changed and/or affected areas) New demonstration of compliance is required Previously approved type design and compliance data may be allowed if valid for the changed product			Unaffected area No new demonstration of compliance is required. Unaffected area continues to comply with the existing certification basis.	Affected area (Changed and/or affected areas) New demonstration of compliance is required. The applicant may propose a certification basis using an earlier amendment but not earlier than in the existing TC basis. Previously approved type design and compliance data may be allowed if valid for the changed product	Unaffected area No new demonstration of compliance is required. Unaffected area continues to comply with the existing certification basis.
	Compliance with the latest amendment materially contributes to safety		No material contribution to safety
	Practical —	Impractical The applicant may propose a certification basis using earlier CS(s), but not earlier than the existing TC basis.	The applicant may propose a certification basis using earlier CS(s), but not earlier than the existing TC basis.
Certification Basis Proposed by the Applicant
New certification basis using latest CSs.		CSs at earlier amendments with supporting rationale.		Existing certification basis.	Existing certification basis including ‘elects to comply’.	Existing certification basis.
CAA Resultant Type-Certification Basis
New certification basis using the latest CSs, and special conditions if required.		New certification basis using the CSs at earlier approved amendments, and special conditions if required.		Existing certification basis.	Existing certification basis (if adequate); if not, first appropriate later amendment(s) and/or special conditions including ‘elects to comply’.	Existing certification basis.

Table A-17. Application Chart for 21.A.101(c) Excepted Products

Affected area (Changed areas and/or unchanged but affected) New demonstration of compliance is required. Previously approved type design and compliance data may be allowed if valid for the changed product.				Unaffected area No new demonstration of compliance is required. Unaffected area continues to be compliant with the existing TC basis.
Type-Certification Basis Proposed by the Applicant
The existing TC basis, including ‘elects to comply’.				The existing TC basis.
Found by CAA to be ‘significant in an area’.			Not ‘significant in an area’.
Compliance with a later amendment materially contributes to safety.		No material contribution to safety.
Practical	Impractical	No material contribution to safety.
CAA Resultant Type-Certification Basis
The latest amendment designated by CAA including special conditions and including ‘elects to comply’.	The existing TC basis. If inadequate, the first appropriate later amendment. If not appropriate, add special conditions, including ‘elects to comply’.			The existing TC basis.