SR00143DEOther aircraft modifications
Installation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003.
FAA holder: Midwest Aerospace TC LLC
Aircraft STC directory
Tamarack Helicopters UH-1F STCs
The Jun 30, 2026 FAA DRS snapshot contains 15 selected supplemental type certificates with status Current whose public applicability data names the Tamarack Helicopters UH-1F. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
15
listed Current at snapshot
9
holder directories
5
modification categories
Feb 8, 2023
latest recorded revision
Modification demand surface
Other aircraft modifications9
Propellers2
Aircraft structures2
Cargo and special mission1
Engine and powerplant1
Recently revised UH-1F STCs
Showing the 15 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
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SR00713SECargo and special mission
Installation of Onboard Systems International Cargo Hook Kit.
FAA holder: Onboard Systems International
SR02492LAPropellers
Installation of a Helicopter Technology Company main rotor blade assembly.
FAA holder: Helicopter Technology Co
SR00929SEOther aircraft modifications
Fabrication of tail boom mounted strakes.
FAA holder: BLR Aerospace LLC.
SR01039SEOther aircraft modifications
Fabrication of tail boom mounted strakes in accordance with Master Drawing List Number BL-UH1H-01, Revision D, dated September 10, 2001, or later Federal Aviation Administration (FAA)-approved revision; and installation of this strake system.
FAA holder: BLR Aerospace LLC.
SR01470SEOther aircraft modifications
Fabrication and Installation of Fast Fin System.
FAA holder: BLR Aerospace LLC.
SR02594LAOther aircraft modifications
Installation of a main rotor strap fitting, part number 204-012-102-009.
FAA holder: Salmon River Helicopters
ST04270ATOther aircraft modifications
Install the VTOL ASSALT V3 Windscreen Laminate Kit.
FAA holder: VTOL LLC
SR00767SEAircraft structures
Fabrication of Helipro spar replacement system.
FAA holder: Vector Aerospace Helicopter Services USA Inc.
SR02051LAPropellers
Installation of a VAn Horn Aviation Tail Rotor Blade.
FAA holder: Van Horn Aviation LLC
SR01349LAEngine and powerplant
Installation of Honeywell (Lycoming) T53-L-13B/-13BA engine to replace General Electric T58-GE-3 engine or T53-L-703 engine to replace Honeywell (Lycoming) T53-L-13B/-13BA engine.
FAA holder: Tamarack Helicopters, Inc.
SR00103SEOther aircraft modifications
Installation of Aviation Development Corporation oil filter.
FAA holder: Aviation Development Corporation
SR01298NYOther aircraft modifications
Installation of replacement crosstubes P/N D212-664.
FAA holder: Dart Aerospace Limited
SR00563NYOther aircraft modifications
Installation of Skidtubes and associated saddles.
FAA holder: Dart Aerospace Limited