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Engine and powerplant

STC SA4387NM

FAA DRS lists SA4387NM as Current · Reissued, held by Air Mods NW, for True Flight Holdings AA-1B, True Flight Holdings AA-1A, and True Flight Holdings AA-1C, and 1 more aircraft configuration. Recorded change: Installation of Lycoming 0-320-A, C, or E series engine and a Sensenich 74DM6-0-58/64 or 74DM7-0-58/64 propeller. 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

SA4387NM 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-1B, True Flight Holdings AA-1A, and True Flight Holdings AA-1C, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

True Flight Holdings AA-1BA11EATrue Flight Holdings AA-1AA11EATrue Flight Holdings AA-1CA11EATrue Flight Holdings AA-1A11EA

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