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Engine and powerplant

STC SA1744SO

FAA DRS lists SA1744SO as Current · Reissued, held by Aircraft Restoration Corporation, for Piper Aircraft PA-31-325, Piper Aircraft PA-31-350, and Piper Aircraft PA-31. Recorded change: Installation of two nacelle locker(left side and right side) metal fuel tanks (22.6 gallons each). Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft Restoration Corporation
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of two nacelle locker(left side and right side) metal fuel tanks (22.6 gallons each).

SA1744SO 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: Piper Aircraft PA-31-325, Piper Aircraft PA-31-350, and Piper Aircraft PA-31. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Piper Aircraft PA-31-325 and Piper Aircraft PA-31-350, and 1 more aircraft configuration 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?