Skip to content
Engine and powerplant

STC SA1-33

FAA DRS lists SA1-33 as Current · Reissued, held by McCauley Propeller Systems, for New Piper Aircraft PA-18-\"135\" (Army L-21B). Recorded change: McCauley fixed pitch MET-L-PROP1A170/GM7450 and 1A170/GM7452 with Lycoming O-290-D2 engine. Snapshot dated June 30, 2026.

FAA-listed holder
McCauley Propeller Systems
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA1-33 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-\"135\" (Army L-21B). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

New Piper Aircraft PA-18-\"135\" (Army L-21B)1A2

Buyer checks

Confirm before sourcing

Related engine and powerplant STCs

SA1835SOEngine and powerplant

Install Teledyne Continental Motors Model IO-550-B engine, Hartzell HC-C4YF-1E/FC7063Q propeller and Hartzell D4511P, spinner on all models per Colemill Drawing P/N 82000C. Install Teledyne Continental Motors Model IO550-B engine, McCauley 3A32C76/82NB-2 propeller and McCauley D3584 spinner on models S-35, V35A, V35B, E33A, E33C, 35-C33A, F33A, and F33C per Colemill Drawing No. 82000, Rev. D. dated 10-30-87 or later FAA approved revision. Engines installed on models S35, V35, V35A, V35B, E33A, E33C, 35-C33A, F33A, and F33C are derated to 285 horsepower per AFMS. For 36/A36 models only, stall strip P/N 82000-4, per Colemill Drawing P/N 82000C, is required.

FAA holder: Mike Jones Aircraft Sales Inc.

View record