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Engine and powerplant

STC SA1-155

FAA DRS lists SA1-155 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/GM7448 with Lycoming O-290-D2 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

McCauley fixed pitch MET-L-PROP1A170/GM7448 with Lycoming O-290-D2 engine.

SA1-155 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

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact New Piper Aircraft PA-18 Series and New Piper Aircraft PA-18 Series (Restricted Cat.) 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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