STC SA1361SO
FAA DRS lists SA1361SO as Current · Reissued, held by American Aviation Industries LLC, for Cessna Aircraft 421C. Recorded change: Replaces original reciprocating engines with Pratt & Whitney of Canada PT6A-135 or PT6A-112 turbopropeller engines and related changes. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA1361SO 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: Cessna Aircraft 421C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
787-10 Red Text Exit Sign Installation.
FAA holder: United Airlines Inc
Installation of a control yoke anti-theft clamp.
FAA holder: Cygnet Aerospace Corporation
Installation of the Automated Flight Information Reporting System (AFIRS) 228.
FAA holder: FLYHT Aerospace Solutions Ltd
Installation of modular EMS-SAR/DMK equipment series Part Number 117-25-20-100.000-7xx.
FAA holder: Air Ambulance Technology GmbH
FAA record reference
- STC number
- SA1361SO
- Product
- Aircraft · Small Airplane
- Country
- United States
- Application date
- April 30, 1980
- Revision date
- April 13, 2017
- CFR references
- Part 3, Part 21, Part 23, Part 36