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Aircraft STC directory

OAS Parts UH-1B STCs

The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the OAS Parts UH-1B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

5
listed Current at snapshot
4
holder directories
3
modification categories
Oct 7, 2020
latest recorded revision

Modification demand surface

Other aircraft modifications3
Propellers1
Landing gear and brakes1

Recorded holders

Helicopter Technology Co1Airwolf Aerospace LLC1AKV Inc.1Dart Aerospace Limited1

Recently revised UH-1B STCs

Showing the 5 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.