A PMA is required for any person producing replacement or modification engine parts for sale and for installation on a type-certificated engine model. A PMA is a combined design and production approval for replacement parts. Also we may use a PMA for the production of certain modification parts approved under supplemental type certificates (STC).
Page Last Modified: 11/03/10 15:14 EDT
This page can be viewed online at: http://www.faa.gov/aircraft/air_cert/design_approvals/engine_prop/engine_approvals/engines_pma_approvals/