STC SA4550SW
FAA DRS lists SA4550SW as Current · Reissued, held by Blackhawk Modifications Inc., for Raytheon Aircraft 99. Recorded change: Installation of Pratt & Whitney PT6A-27 or PT6A-28 engines. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4550SW 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: Raytheon Aircraft 99. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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