Parts Manufacturer Approval (PMA) is used for modifications or replacement propeller system parts that are intended to be installed on a previously type approved propeller model. A propeller PMA is an approval of a propeller system part that is a proven equivalent part to the original type approved part, and is an authorization to produce that part for sale.
Regulatory requirements for a propeller PMA
Propeller product PMA policy
Page Last Modified: 08/03/10 10:03 EDT
This page can be viewed online at: http://www.faa.gov/aircraft/air_cert/design_approvals/engine_prop/prop_prop_sa/prop_pma/