Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 30 selected supplemental type certificates with status Current whose public applicability data names the Boeing Airplane Wichita Division 75 (Army PT-13). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 30 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Airwolf Filter Corporation
FAA holder: AvComp LLC
FAA holder: Air Repair Inc.
FAA holder: Air Repair Inc.
FAA holder: HIPEC Aircraft Coatings Inc.
FAA holder: Air Repair Inc
FAA holder: Air Products & Parts LLC
FAA holder: Fliegen Works Inc. \n d/b/a Pacific Aerial Tow Hooks
FAA holder: J. P. Instruments
FAA holder: West Coast Air Creations
FAA holder: Airwolf Filter Corporation
FAA holder: J P Instruments
FAA holder: Andrew D. Humphrey
FAA holder: AirCorps Aviation
FAA holder: Yesteryear Aviation Inc
FAA holder: Doubletee Products
FAA holder: Olivia Flying Service Inc.
FAA holder: Big Sky Stearman
FAA holder: Electronics International Inc.
FAA holder: Radial Engines Ltd
FAA holder: Aviation Development Corporation
FAA holder: J P Instruments
FAA holder: Cooper Aviation Supply Company, Inc.
FAA holder: R-S Sales Inc.
FAA holder: Oilamatic Inc
FAA holder: Merlyn Products Inc.