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Engine and powerplant

STC SA4-581

FAA DRS lists SA4-581 as Current · Reissued, held by John P. Warren, for Cessna Aircraft 120, Cessna Aircraft 140, and Cessna Aircraft 140A. Recorded change: Installation of a Lycoming O-290-D engine and Sensenich M76AM-2 or Sensenich CS3FM4 propeller. Snapshot dated June 30, 2026.

FAA-listed holder
John P. Warren
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA4-581 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: Cessna Aircraft 120, Cessna Aircraft 140, and Cessna Aircraft 140A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 120A-768Cessna Aircraft 140A-768Cessna Aircraft 140A5A2

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