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.
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.
Buyer checks
Confirm before sourcing
Related engine and powerplant STCs
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Installation of an engine Inlet Barrier Filter System.
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