Aircraft STC directory
JJASPP Engineering Services UH-1H STCs
The Jun 30, 2026 FAA DRS snapshot contains 11 selected supplemental type certificates with status Current whose public applicability data names the JJASPP Engineering Services UH-1H. 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-1H STCs
Showing the 11 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
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.
Fabrication and Installation of a Bell Model 212 vertical tail fin and rotor, 42 and 90 gearboxes, and 212 push rod anti-torque control system.
FAA holder: Vector Aerospace Helicopter Services USA Inc.