SR00026DEOther aircraft modifications
Installation of tailboom 24 inch plug extension, commercial style main rotor blades, and rotorhead.
FAA holder: Midwest Aerospace TC LLC
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
Other aircraft modifications3
Engine and powerplant1
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.
View record
SR00073DEEngine and powerplant
Replacement of Lycoming T53-L-13 series powerplant.
FAA holder: Midwest Aerospace TC LLC
SR00119DEOther aircraft modifications
Installation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003, and Control Cables.
FAA holder: Midwest Aerospace TC LLC
SR01039SEOther aircraft modifications
Fabrication of tail boom mounted strakes in accordance with Master Drawing List Number BL-UH1H-01, Revision D, dated September 10, 2001, or later Federal Aviation Administration (FAA)-approved revision; and installation of this strake system.
FAA holder: BLR Aerospace LLC.