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Engine and powerplant

STC SA1-373

FAA DRS lists SA1-373 as Current · Reissued, held by Copper River Airmotive LLC, for New Piper Aircraft PA-12S and New Piper Aircraft PA-12. Recorded change: Installation of Lycoming O-290-D(125 hp) or O-290-D2 (135 hp) engine; Sensenich M-74DM propeller; PA-18 engine baffles; Harrison#AP13SJ03-01 oil cooler. Snapshot dated June 30, 2026.

FAA-listed holder
Copper River Airmotive LLC
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Lycoming O-290-D(125 hp) or O-290-D2 (135 hp) engine; Sensenich M-74DM propeller; PA-18 engine baffles; Harrison#AP13SJ03-01 oil cooler.

SA1-373 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: New Piper Aircraft PA-12S and New Piper Aircraft PA-12. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

New Piper Aircraft PA-12SA-780New Piper Aircraft PA-12A-780

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact New Piper Aircraft PA-12S and New Piper Aircraft PA-12 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?

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