Aircraft STC directory
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.
Showing the 11 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Overseas Aircraft Support Inc.
FAA holder: Isolair Inc.
FAA holder: Aircraft Structural Repair Inc.
FAA holder: Helicopter Technology Co
FAA holder: Northwest Heli-Structures Inc
FAA holder: BLR Aerospace LLC.
FAA holder: BLR Aerospace LLC.
FAA holder: Airwolf Aerospace LLC
FAA holder: VTOL LLC
FAA holder: Vector Aerospace Helicopter Services USA Inc.
FAA holder: Minuteman Aviation Inc.