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Aircraft STC directory

Overseas Aircraft Support UH-1B STCs

The Jun 30, 2026 FAA DRS snapshot contains 6 selected supplemental type certificates with status Current whose public applicability data names the Overseas Aircraft Support UH-1B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

6
listed Current at snapshot
4
holder directories
4
modification categories
Mar 3, 2023
latest recorded revision

Modification demand surface

Other aircraft modifications3
Electrical systems1
Rotorcraft modifications1
Propellers1

Recorded holders

Dart Aerospace Limited2WSH LLC1Van Horn Aviation LLC1AKV Inc.1

Recently revised UH-1B STCs

Showing the 6 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.