Aircraft STC directory
Rotorcraft Development UH-1B STCs
The Jun 30, 2026 FAA DRS snapshot contains 16 selected supplemental type certificates with status Current whose public applicability data names the Rotorcraft Development UH-1B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recently revised UH-1B STCs
Showing the 16 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003, and Control Cables.
FAA holder: Midwest Aerospace TC LLC
Installation of UH-1H composite main rotor blades on the UH-1B helicopters.
FAA holder: Northern X-Treme Helicopters
Installation of Advanced Technology Aircraft Co. engine barrier filter.
FAA holder: WSH LLC
Installation of a Helicopter Technology Company main rotor blade assembly.
FAA holder: Helicopter Technology Co
Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103.
FAA holder: Airwolf Aerospace LLC
Installation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000.
FAA holder: AKV Inc.
Install the VTOL ASSALT V3 Windscreen Laminate Kit.
FAA holder: VTOL LLC
Fabrication of Helipro spar replacement system.
FAA holder: Vector Aerospace Helicopter Services USA Inc.
Installation of extended height landing gear.
FAA holder: Dart Aerospace Limited
Installation of a VAn Horn Aviation Tail Rotor Blade.
FAA holder: Van Horn Aviation LLC
Manufacture of Windows in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-97115, no revision, dated August 20, 1997, or later FAA approved revisions, and installation per Installation Instructions listed in that report.
FAA holder: Bell Helicopter Textron Inc.
Manufacture of Flitestep in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-97166, no revision, dated December 19, 1997, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-97087, Revision B, dated December 18, 1997, or later FAA approved revisions.
FAA holder: Bell Helicopter Textron Inc.
Installation of Aviation Development Corporation oil filter.
FAA holder: Aviation Development Corporation