Installation of Human External Cargo (HEC) system.
FAA holder: Boost Systems LLC
Aircraft STC directory
Tamarack Helicopters UH-1H STCs
The Jun 30, 2026 FAA DRS snapshot contains 10 selected supplemental type certificates with status Current whose public applicability data names the Tamarack Helicopters UH-1H. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
10
listed Current at snapshot
5
holder directories
5
modification categories
Aug 4, 2025
latest recorded revision
Modification demand surface
Recently revised UH-1H STCs
Showing the 10 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
Installation of Onboard Systems International Cargo Hook Kit.
FAA holder: Onboard Systems International
Installation of a Tailboom Motion Detection System.
FAA holder: Aircraft Structural Repair Inc.
Installation of a Helicopter Technology Company main rotor blade assembly.
FAA holder: Helicopter Technology Co
Installation of a Service Deck.
FAA holder: Northwest Heli-Structures Inc
Fabrication of tail boom mounted strakes.
FAA holder: BLR Aerospace LLC.
Fabrication and Installation of Fast Fin System.
FAA holder: BLR Aerospace LLC.
Installation of a VAn Horn Aviation Tail Rotor Blade.
FAA holder: Van Horn Aviation LLC