Aircraft STC directory

Air Repair R-755A1 STCs

The Jun 30, 2026 FAA DRS snapshot contains 6 selected supplemental type certificates with status Current whose public applicability data names the Air Repair R-755A1. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

listed Current at snapshot

holder directories

modification categories

Apr 15, 2026

latest recorded revision

Modification demand surface

Other aircraft modifications2 Engine and powerplant2 Fuel systems1 Electrical systems1

Recorded holders

Air Repair Inc2 Swift Fuels LLC1 General Aviation Modifications Inc.1 Radial Engines Ltd1 Barron Aviation1

Recently revised R-755A1 STCs

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

SE04651CHFuel systemsRevised Apr 15, 2026

To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22.

FAA holder: Swift Fuels LLC

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SE01966WI (1 OF 2)Other aircraft modificationsRevised Sep 22, 2022

Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines.

FAA holder: General Aviation Modifications Inc.

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SE572SWEngine and powerplantRevised Nov 15, 2021

Installation of Jacobs RAS325A exhaust valve rotocaps.

FAA holder: Air Repair Inc

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SE04136ATElectrical systemsRevised Nov 25, 2013

Installation of Bendix Scintilla WL-7A Battery Ignition Timer (distributor) modified from a breaker points and condenser design to a Hall Effect electronic sensor design.

FAA holder: Air Repair Inc

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SE01652WIEngine and powerplantRevised Dec 20, 2011

Modification of engine to replace contact points and condenser controlled Bendix Scintilla WL-7A battery timer (distributor) with an electronically controlled WL-7A-M battery timer.

FAA holder: Radial Engines Ltd

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SE01243WIOther aircraft modificationsRevised Jul 13, 2004

Installation of Barron Aviation intake tube drain kits on the engines listed on the attached FAA Approved Model List (AML) No. SE01243WI, dated April 26, 2004, or later FAA Approved revision.

FAA holder: Barron Aviation

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