STC SA1-23
FAA DRS lists SA1-23 as Current · Reissued, held by McCauley Propeller Systems, for New Piper Aircraft PA-22 Series. Recorded change: McCauley fixed pitch propellers1A170/GM7455 and 1A170/GM7453 with Lycoming O-290-D2 engine. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
SA1-23 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-22 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related engine and powerplant STCs
Installation of exhaust silencers in accordance with Beryl D Shannon installation instructions for Part Number 2010-1, 2010-2 dated 4-2-76, and 2011, dated 4-2-76. The exhaust silencer is manufactured in accordance with Beryl D Shannon Drawing No. 2010, Rev. N/C, dated 4-2-76.
FAA holder: D'Shannon Products Ltd.