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Engine and powerplant

STC SA991NW

FAA DRS lists SA991NW as Current · Reissued, held by Air Mods NW, for True Flight Holdings AA-1, True Flight Holdings AA-1A, and True Flight Holdings AA-1B, and 1 more aircraft configuration. Recorded change: Installation of model AA-5A engine mount, cowling and carburetor air box. Snapshot dated June 30, 2026.

FAA-listed holder
Air Mods NW
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA991NW identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: True Flight Holdings AA-1, True Flight Holdings AA-1A, and True Flight Holdings AA-1B, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

True Flight Holdings AA-1A11EATrue Flight Holdings AA-1AA11EATrue Flight Holdings AA-1BA11EATrue Flight Holdings AA-1CA11EA

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