§ 39.21 Where can I get information about FAA-approved alternative methods of compliance?
14 CFR 39.21
Citation14 CFR 39.21
CorpusDaily eCFR
Displayed edition2026-09-11
Last updated2026-09-11
§ 39.21 Where can I get information about FAA-approved alternative methods of compliance?
Each airworthiness directive identifies the office responsible for approving alternative methods of compliance. That office can provide information about alternatives it has already approved.