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Aircraft STC directory

International Helicopters UH-1B STCs

The Jun 30, 2026 FAA DRS snapshot contains 14 selected supplemental type certificates with status Current whose public applicability data names the International Helicopters UH-1B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

14
listed Current at snapshot
7
holder directories
6
modification categories
Mar 3, 2023
latest recorded revision

Modification demand surface

Other aircraft modifications5Aircraft structures3Engine and powerplant2Propellers2Electrical systems1Rotorcraft modifications1

Recorded holders

Midwest Aerospace TC LLC4WSH LLC2Global Spar LLC2Helicopter Technology Co1Airwolf Aerospace LLC1AKV Inc.1Van Horn Aviation LLC1

Recently revised UH-1B STCs

Showing the 14 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.