SR02492LAPropellers
Installation of a Helicopter Technology Company main rotor blade assembly.
FAA holder: Helicopter Technology Co
Aircraft STC directory
Tamarack Helicopters TH-1F STCs
The Jun 30, 2026 FAA DRS snapshot contains 9 selected supplemental type certificates with status Current whose public applicability data names the Tamarack Helicopters TH-1F. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
9
listed Current at snapshot
6
holder directories
4
modification categories
Oct 7, 2020
latest recorded revision
Modification demand surface
Other aircraft modifications5
Propellers2
Aircraft structures1
Engine and powerplant1
Recently revised TH-1F STCs
Showing the 9 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SR00929SEOther aircraft modifications
Fabrication of tail boom mounted strakes.
FAA holder: BLR Aerospace LLC.
SR01470SEOther aircraft modifications
Fabrication and Installation of Fast Fin System.
FAA holder: BLR Aerospace LLC.
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