1. Regulations
  2. title 14
  3. chapter I
  4. part 21
  5. subpart D
  6. § 21.91

View all text of Subpart D [§ 21.91 - § 21.101]

§ 21.91 - Applicability.

This subpart prescribes procedural requirements for the approval of changes to type certificates.

AUTHORITY: 42 U.S.C. 7572; 49 U.S.C. 106(f), 106(g), 40105, 40113, 44701-44702, 44704, 44707, 44709, 44711, 44713, 44715, 45303.

CITE AS: 14 CFR 21.91