FAA-listed STC holder

Radial Engines Ltd STCs

The Jun 30, 2026 FAA DRS snapshot lists 5 selected supplemental type certificates with status Current under Radial Engines Ltd. The records span 22 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

5

listed Current at snapshot

22

aircraft directories

2

modification categories

Dec 20, 2011

latest recorded revision

Modification mix

Engine and powerplant3

Fuel systems2

Aircraft represented

Boeing Airplane Wichita Division 75 (Army PT-13)30 STCs Boeing Airplane Wichita Division D75N1 (Army PT-27)25 STCs Boeing Airplane Wichita Division B75N1 (Navy N2S-3)24 STCs Boeing Airplane Wichita Division A75N1 (Army PT-17; -17A; Navy N2S-1; -4)23 STCs Boeing Airplane Wichita Division B75 (Navy N2S-5)22 STCs Boeing Airplane Wichita Division A75J1 (Army PT-18)20 STCs Boeing Airplane Wichita Division A75L320 STCs Boeing Airplane Wichita Division A75 (Army PT-13A; -13B; -13C)19 STCs Boeing Airplane Wichita Division E75 (Army PT-13D; Navy N2S-5; PT-13D/N2S-5)17 STCs Cessna Aircraft 19516 STCs Cessna Aircraft 195A16 STCs Cessna Aircraft 195B16 STCs Air Repair R-755A28 STCs Air Repair R-755B28 STCs Air Repair R-755A16 STCs Air Repair R-755B16 STCs Air Repair L-44 STCs Air Repair L-4 Series4 STCs Air Repair L-6 Series4 STCs Air Repair R-755S4 STCs

Recently revised records

Showing the 5 most recently revised records. Category directories provide the complete paginated discovery path.

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

SA4974NMEngine and powerplantRevised May 1, 2008

Installation of Jacobs Model R-755-9, -A2 or B2 engine with Hamilton Std 2B20/6135-15 propellers.

FAA holder: Radial Engines Ltd

SA01301WIEngine and powerplantRevised Jan 27, 2005

Installation of Jacobs R-755B2 or R-755B2M engine modified for fuel injection in accordance with STC SE01288WI, J.P. Instruments Fuel Flow meter in accordance with STC SA00432SE, and electric fuel boost pump. Data required: (1) Radial Engines Master Drawing List Report REL1003-13, Revision (IR), dated October 4, 2004, (2) Radial Engines Limited Instruction for Continued Airworthiness Report REL1003-12, Revision (IR), dated October 4, 2004, and (3) FAA Approved Airplane Flight Manual Supplement REL1003-5, Revision (IR), dated January 21, 2005 or later FAA Approved revisions to (1), (2), or (3).

FAA holder: Radial Engines Ltd

SA01287WIFuel systemsRevised Nov 23, 2004

Installation of Jacobs R-755A and R-755B engines modified for fuel injection in accordance with STC SE01288WI. Data required: (1) Butterfly Aviation Master Drawing List Report BA1002-13 dated August 30, 2004, (2) Butterfly Aviation Instructions for Continued Airworthiness Report BA1002-12 dated August 30, 2004, and (3) FAA Approved Airplane Flight Manual Supplement dated November 17, 2004, or later FAA Approved revisions to (1), (2) or (3).

FAA holder: Radial Engines Ltd

SE01288WIFuel systemsRevised Nov 23, 2004

Modification of Engines to replace carburetor with fuel injection. Data required: (1) Butterfly Aviation Master Drawing List Report BA1001-11, dated October 28, 2004, and (2) Butterfly Aviation Instructions for Continued Airworthiness Report BA1001-8, dated October 26, 2004, or later FAA Approved revisions to (1) or (2).

FAA holder: Radial Engines Ltd