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Aircraft STC directory

Piper Aircraft PA-23-250 (Navy UO-1) STCs

The Jun 30, 2026 FAA DRS snapshot contains 31 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-23-250 (Navy UO-1). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

31
listed Current at snapshot
17
holder directories
8
modification categories
Apr 1, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications12Avionics6Fuel systems6Engine and powerplant2Aircraft structures2Landing gear and brakes1Cargo and special mission1Aircraft connectivity1

Recorded holders

Airline Fueling Inc.5Honeywell International Inc3CiES Inc.2D'Shannon Products Ltd.2FFC Manufacturing2J P Instruments2Acron Aviation Inc.1Avidyne Corporation1Alpha Aviation Inc1Brittain Industries, Inc1Icarus Avionics, LLC1Hartzell Propeller Inc1Reabe Aircraft Improvement Inc1Garmin AT Inc.1Aztec Nomad Inc.1Great Lakes Aero Products Inc1Shadin Avionics1

Recently revised PA-23-250 (Navy UO-1) STCs

Showing the 31 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.