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.

listed Current at snapshot

aircraft directories

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.

5 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Radial Engines Ltd supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SE01652WI 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. Engine and powerplant View record	Air Repair L-4TC TC 121 Air Repair L-4 SeriesTC TC 121 Air Repair L-6 SeriesTC TC 195 Air Repair R-755A1TC E-237 Air Repair R-755A2TC E-237 Air Repair R-755B1TC E-237 Air Repair R-755B2TC E-237 Air Repair R-755STC E1SW Teledyne Continental Motors W670-23TC E-162 Teledyne Continental Motors W670-MTC E-162	Current at cited snapshot Revised Dec 20, 2011 Application: Mar 26, 2011	FAA holder: Radial Engines Ltd FAA authority record
SA4974NM Installation of Jacobs Model R-755-9, -A2 or B2 engine with Hamilton Std 2B20/6135-15 propellers. Engine and powerplant View record	Boeing Airplane Wichita Division 75 (Army PT-13)TC A-743 Boeing Airplane Wichita Division A75 (Army PT-13A; -13B; -13C)TC A-743 Boeing Airplane Wichita Division A75J1 (Army PT-18)TC A-743 Boeing Airplane Wichita Division A75L3TC A-743 Boeing Airplane Wichita Division A75N1 (Army PT-17; -17A; Navy N2S-1; -4)TC A-743 Boeing Airplane Wichita Division B75 (Navy N2S-5)TC A-743 Boeing Airplane Wichita Division B75N1 (Navy N2S-3)TC A-743 Boeing Airplane Wichita Division D75N1 (Army PT-27)TC A-743 Boeing Airplane Wichita Division E75 (Army PT-13D; Navy N2S-5; PT-13D/N2S-5)TC A-743	Current at cited snapshot Revised May 1, 2008 Application: Mar 14, 1989	FAA holder: Radial Engines Ltd FAA authority record
SA01301WI 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). Engine and powerplant View record	Waco Aircraft YMFTC ATC 542	Current at cited snapshot Revised Jan 27, 2005 Application: Nov 4, 2004	FAA holder: Radial Engines Ltd FAA authority record
SA01287WI 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). Fuel systems View record	Cessna Aircraft 195TC A-790 Cessna Aircraft 195ATC A-790 Cessna Aircraft 195BTC A-790	Current at cited snapshot Revised Nov 23, 2004 Application: May 6, 2003	FAA holder: Radial Engines Ltd FAA authority record
SE01288WI 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). Fuel systems View record	Jacobs Service R-755A2TC E-237 Jacobs Service R-755A2MTC E-237 Jacobs Service R-755B2TC E-237 Jacobs Service R-755B2MTC E-237	Current at cited snapshot Revised Nov 23, 2004 Application: May 6, 2003	FAA holder: Radial Engines Ltd FAA authority record

Modification mix

Aircraft represented

Recently revised records

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.

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