STC SA1481CE
FAA DRS lists SA1481CE as Current · Reissued, held by Helio Alaska Inc., for Helio Aircraft HST-550. Recorded change: Installation of Pratt & Whitney (UACL) PT6A-27 turboprop engine and Hartzell HC-B3TN-3D/T10178CH reversible propeller. 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
SA1481CE 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: Helio Aircraft HST-550. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Installation of JASCO Model 7555-1 alternator kit on P&W R-985 series engine.
FAA holder: Kenmore Air Harbor LLC
Installation of a Teledyne Continental Motors Model IO-550-D engine and either a Hartzell Model PHC-C3YF-1RF/F8468A( )-6R or PHC-C3YF-1RF/F7691( ) or PHC-G3YF-1RF/F8468A( )-6R or PHC-G3YF-1RF/F7691( )or McCauley Mod D3A34C401/90DFA-10 3-blade propeller.
FAA holder: Air Plains Services Corporation
Installation of an engine Inlet Barrier Filter System.
FAA holder: Aerometals Inc.
FAA record reference
- STC number
- SA1481CE
- Product
- Aircraft · Small Airplane
- Country
- United States
- Application date
- March 20, 1978
- Revision date
- August 30, 2024
- CFR references
- Not listed