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.
Related other aircraft modifications STCs
Installation and Maintenance of Goodrich Internal Rescue Hoist.
FAA holder: Heli-Trade Corp.
Installation of a Northstar CT-1000G's Flight Deck Organizer.
FAA holder: MidCanada Mod Center
Installation of Heli-Access step.
FAA holder: Dart Aerospace Limited
Installation of an Airshow 4000 system.
FAA holder: Learjet Inc
FAA record reference
- STC number
- SA4705SW
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- March 24, 1982
- Revision date
- January 6, 2009
- CFR references
- Part 3, Part 21, Part 23, Part 34, Part 36