14 C.F.R. § 39.21 Where can I get information about FAA-approved alternative methods of compliance?
Title 14 - Aeronautics and Space
Each airworthiness directive identifies the office responsible for approving alternative methods of compliance. That office can provide information about alternatives it has already approved.
Title 14: Aeronautics and Space
PART 39—AIRWORTHINESS DIRECTIVES
§ 39.21 Where can I get information about FAA-approved alternative methods of compliance?
