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Engine and powerplant

STC SA4-78

FAA DRS lists SA4-78 as Current · Reissued, held by John P. Warren, for FS 2002 Corp PA-14. Recorded change: Installation of a Lycoming O-320 engine and Sensenich M74DM59 propeller. Installation of Piper PA-18A-150 engine cooling baffles, modified to fit cowling. Installation of oil cooler (Harrison AP13SJ03-01) in accordance with Piper Drawing 14368. Installation of pressure type gas tank caps. Snapshot dated June 30, 2026.

FAA-listed holder
John P. Warren
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Lycoming O-320 engine and Sensenich M74DM59 propeller. Installation of Piper PA-18A-150 engine cooling baffles, modified to fit cowling. Installation of oil cooler (Harrison AP13SJ03-01) in accordance with Piper Drawing 14368. Installation of pressure type gas tank caps.

SA4-78 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 2002 Corp PA-14. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

FS 2002 Corp PA-14A-797

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact FS 2002 Corp PA-14 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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