Aircraft STC directory
Hawkins & Powers Aviation UH-1B STCs
The Jun 30, 2026 FAA DRS snapshot contains 4 selected supplemental type certificates with status Current whose public applicability data names the Hawkins & Powers Aviation UH-1B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
4
listed Current at snapshot
2
holder directories
2
modification categories
Feb 8, 2023
latest recorded revision
Modification demand surface
Recorded holders
Recently revised UH-1B STCs
Showing the 4 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Replacement of Lycoming T53-L-13 series powerplant.
FAA holder: Midwest Aerospace TC LLC
Installation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003, and Control Cables.
FAA holder: Midwest Aerospace TC LLC