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Engine and powerplant

STC SA4-456

FAA DRS lists SA4-456 as Current · Reissued, held by Kenmore Air Harbor Inc, for FS 2003 Corp PA-12 and FS 2003 Corp PA-12S. Recorded change: Removal of Lycoming O-235-C1 engine and Installation of Lycoming O-320-A1A or one of the following optional Lycoming engines, O-310A1B, O-310-A2a, O-310-A2B, O-310-A2C, O-0320A2D, O-320-C1A, O-320-C1B, O-320-C2A, O-320-C2B, O-320-C2C. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Removal of Lycoming O-235-C1 engine and Installation of Lycoming O-320-A1A or one of the following optional Lycoming engines, O-310A1B, O-310-A2a, O-310-A2B, O-310-A2C, O-0320A2D, O-320-C1A, O-320-C1B, O-320-C2A, O-320-C2B, O-320-C2C.

SA4-456 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: FS 2003 Corp PA-12 and FS 2003 Corp PA-12S. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact FS 2003 Corp PA-12 and FS 2003 Corp PA-12S 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?