STC SA4705SW
FAA DRS lists SA4705SW as Current · Amended, held by Blackhawk Modifications Inc., for Beechcraft 65-A90, Beechcraft B90, and Beechcraft C90. Recorded change: Installation of Pratt & Whitney PT6A-27 or PT6A-28 engines. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4705SW 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: Beechcraft 65-A90, Beechcraft B90, and Beechcraft C90. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
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