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Engine and powerplant

STC SA1-156

FAA DRS lists SA1-156 as Current · Reissued, held by McCauley Propeller Systems, for New Piper Aircraft PA-18 Series and New Piper Aircraft PA-18 Series (Restricted Cat.). Recorded change: McCauley fixed pitch MET-L-PROP1A170/GM7446 with Lycoming O-290-D engine. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

SA1-156 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-18 Series and New Piper Aircraft PA-18 Series (Restricted Cat.). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

New Piper Aircraft PA-18 Series1A2New Piper Aircraft PA-18 Series (Restricted Cat.)AR-7

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