Action
Notice of availability, request for comments; extension of comment period.
Summary
On June 12, 2024, the FAA published in the Federal Register a notice of availability for draft Advisory Circular (AC) 21.17-04, "Type Certification of Powered-lift". The comment period for this document expires on August 12, 2024. By letter dated August 1, 2024, the General Aviation Manufacturers Association (GAMA) requested that the FAA extend the public-comment period deadline to September 12, 2024. GAMA stated in their request that providing more time to comment would allow member organizations to conduct a more thorough review and contribute constructively to the proposed criteria facilitating the development of robust, harmonized standards that maximize safety for powered-lift operations.