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Engine and powerplant

STC SA4165NM

FAA DRS lists SA4165NM as Current · Reissued, held by Fletchair Inc., for True Flight Holdings AA-5A. Recorded change: Installation of a Lycoming O-540-E4A5 engine and a Hartzell Model HC-C2YK-8477-8R propeller. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Lycoming O-540-E4A5 engine and a Hartzell Model HC-C2YK-8477-8R propeller.

SA4165NM 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-5A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact True Flight Holdings AA-5A model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?