| Code |
Company |
Example Engine |
| A |
Allison Division of General Motors Corp. |
T56-A-14 |
| AC |
Allis-Chalmers Manufacturing Co. |
J36-AC |
| AH |
American Helicopter Division of Fairchild |
? |
| AJ |
Aerojet-General Corp. |
LR87-AJ-11 |
| AM |
Aeromarine Co. |
? |
| AN |
Aeronutronics Corp. |
? |
| B |
Buick Motor Division of General Motors |
? |
| BA |
Bell Aircraft Corp. |
? |
| BL |
Bridgeport-Lycoming (AVCO) |
? |
| BO |
Boeing Airplane Co. |
? |
| C |
Chevrolet Division of General Motors |
? |
| CFM |
CFM International (General Electric, SNECMA) |
F108-CFM-? |
| CW |
Curtiss-Wright Propellor Division |
? |
| D |
Chrysler Corp. |
? |
| DL |
De Laval Steam Turbine Co. |
? |
| E |
Aircooled Motors Inc. (Franklin) |
? |
| EE |
Elliot Manufacturing Co. |
? |
| F |
Ford Motor Co. |
? |
| FF |
Frederick Flader Inc. |
J55-FF-? |
| G |
Warner Aircraft Corp. |
? |
| GA |
Garrett Engine Division, Allied-Signal |
F109-GA-100 |
| GE |
General Electric, Gas Turbine Division |
J79-GE-8 |
| GN |
G.M. Giannini & Co., Inc. |
? |
| H |
Hiller Helicopters |
? |
| HM |
Harvey Machine Co., Inc. |
? |
| J |
Jacobs Aircraft Engine Co. |
? |
| JH |
Joshua Hendy Iron Works (changed to NH) |
? |
| K |
M.W. Kellog Inc. |
? |
| KA |
Kiekhafer-Aeromarine Motors Inc. |
? |
| KF |
Kaiser-Frazer Engine Division |
? |
| KM |
Kaiser MAnufacturing Co. |
? |
| L |
Lycoming Division, Avco Mfg. Corp., now Textron |
T55-L-11A |
| LA |
Lockheed Aircraft Corp. |
J37-LA-? |
| LHT |
Light Helicopter Turbine Engine Co. (Garrett, Allison) |
T800-LHT-800 |
| MA |
Marquardt Aircraft Co. |
RJ43-MA-? |
| MD |
McDonnell Aircraft Corp. |
? |
| MH |
McCulloch Motors Corp. |
? |
| MN |
Menasco Manufacturing Co. |
? |
| NA |
North American Aviation Inc. |
? |
| NH |
Northrop Aircraft Inc. (Hendy) |
? |
| NK |
Nash-Kelvinator Corp. |
? |
| OEL |
Orenda Engines (Hawker Siddeley Canada) |
? |
| P |
Pratt & Whitney Division (United) (changed to PW) |
J52-P-8A |
| PM |
Packard Motor Car Co. (formerly "V") |
? |
| PW |
Pratt & Whitney Division (United) (formerly P) |
F100-PW-100 |
| R |
Fairchild Engine Division, E & A Corp. |
? |
| RM |
Reaction Motors Inc. |
? |
| RP |
Radioplane Divison, Northrop |
? |
| RR |
Rolls-Royce |
F405-RR-401 |
| S |
Solar Aircraft Co. |
? |
| ST |
Studebaker Corp. |
? |
| T |
Continental Motors Corp., now Teledyne CAE (changed to CA) |
J69-T-25a |
| TT |
Taylor Turbine (Rolls-Royce) |
? |
| V |
Packard Motor Car Co. (changed to PM) |
? |
| W |
Wright Aeronautical Corp. |
RJ55-W-? |
| WE |
Westinghouse Electric Corp. |
J46-WE-? |
| WR |
Williams International Corp. |
F121-WR-100 |
| WS |
West Engineering Co. |
? |
| Code |
Company |
Example Engine |
