STC SA1-59
FAA DRS lists SA1-59 as Current · Reissued, held by McCauley Propeller Systems, for New Piper Aircraft PA-18 Series. Recorded change: McCauley fixed pitch MET-L-PROP1A170/GM7448 and 1A170/GM7450 with Lycoming O-290-D engine. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
McCauley fixed pitch MET-L-PROP1A170/GM7448 and 1A170/GM7450 with Lycoming O-290-D engine.
SA1-59 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. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact New Piper Aircraft PA-18 Series model, serial range, and configuration?
- 02Which powerplant configuration, limits, instruments, and maintenance data apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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Increase the main jet size of TCM MA4-5 carburetors of TCM O-470-U engines, to increase engine power from 230 BHP at 2400 RPM to 252 BHP at 2625 RPM.
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Installation of a 210 HP Lycoming IO-390-A1A6 Engine.
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