All You Need To Know About PMA Parts

There are cost-saving options for aircraft parts that match the form, fit, and function of the originals—here’s how to find them.

Richard Scarbrough

Thursday, August 04, 2022 at 06:49 AM ET

Verified

The Superior Millennium cylinders on this Beechcraft Bonanza IO-550-B engine are PMA parts. [Photo: Richard Scarbrough]

Key Takeaways:

FAA Parts Manufacturer Approval (PMA) certifies alternative aircraft components that are rigorously tested and approved to be "as good or better" than original equipment manufacturer (OEM) parts.
PMA parts are categorized by different approval methods (e.g., identicality with/without licensing, test and computation) and offer significant benefits such as substantial cost savings, improved reliability, and mitigation of supply chain issues or obsolescence.
Purchasers are advised to conduct thorough research, consult industry experts, and verify reputable brands to make informed decisions when utilizing PMA components.

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