Aircraft STC directory
Richards Heavylift Helo UH-1B STCs
The Jun 30, 2026 FAA DRS snapshot contains 19 selected supplemental type certificates with status Current whose public applicability data names the Richards Heavylift Helo 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 19 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Replacement of Lycoming T53-L-13 series powerplant.
FAA holder: Midwest Aerospace TC LLC
Installation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003, and Control Cables.
FAA holder: Midwest Aerospace TC LLC
Modification of the vertical fin spar.
FAA holder: Midwest Aerospace TC LLC
Modification of the lift beam on the Model UH-1H.
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 a Helicopter Technology Company main rotor blade assembly.
FAA holder: Helicopter Technology Co
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 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.