| Engine Model |
Description |
Required Modifications |
Propellers |
| 1) O-360-A1A |
Dynafocal mounts, controllable
prop, Bendix magnetos(already approved) |
Converted to dual impulse
magnetos |
Hartzell Model HC-C2YK-1BF
F7666A or McCauley Model 1A-200-DFA-8242, 43 or 44 prop |
| 2) O-360-A1D |
Dynafocal mounts, controllable
prop, retard breakers magnetos(already approved) |
Converted to dual impulse
magnetos |
Hartzell Model HC-C2YK-1BF
F7666A or McCauley Model 1A-200-DFA-8242, 43 or 44 prop |
| 3) O-360-A1F |
Dynafocal mounts, controllable
prop, 1200 series magnetos |
Converted to dual impulse
magnetos |
Hartzell Model HC-C2YK-1BF
F7666A or McCauley Model 1A-200-DFA-8242, 43 or 44 prop |
| 4) O-360-A1F6 |
Dynafocal mounts, controllable
prop, 1200 series magnetos has (1) 6th order and (1) 8th order counterweight |
Converted to dual impulse magnetos |
Hartzell Model HC-C2YK-1BF
F7666A or McCauley Model 1A-200-DFA-8242, 43 or 44 prop |
| 5) O-360-A1P |
Dynafocal mounts, controllable
prop, prop governor drive on L/F of crankcase |
Converted to dual impulse magnetos |
McCauley Model 1A-200-DFA-8242 or -8244 propeller |
| 6) O-360-A2A |
Dynafocal mounts, fixed pitch
prop, Bendix magnetos |
Convert to dual impulse
magnetos refer to Lyc. S.I. 1098F for proper flange bushings |
McCauley Model 1A-200-DFA-
8242 or -8244 propeller |
| 7) O-360-A2D |
Dynafocal mounts, fixed pitch
prop, Bendix magnetos |
Convert to dual impulse
magnetos refer to Lyc. S.I. 1098F for proper flange bushings |
McCauley Model 1A-200-DFA-
8242 or -8244 propeller |
| 8) O-360-A2E |
Dynafocal mounts, fixed pitch
prop, retard breaker magnetos provision of AN fuel pump drive |
Convert to dual impulse
magnetos refer to Lyc. S.I. 1098F for proper flange bushings |
McCauley Model 1A-200-DFA-
8242 or -8244 propeller |
| 9) O-360-A2F |
Dynafocal mounts, fixed pitch
prop, -1200 series magnetos |
Convert to dual impulse
magnetos refer to Lyc. S.I. 1098F for proper flange bushings |
McCauley Model 1A-200-DFA-
8242 or -8244 propeller |
| 10) O-360-A3A |
Dynafocal mounts, fixed pitch
prop, Bendix magnetos (6) special long bushings in prop flange |
Replace bushings in prop
flange per S.I. 1098F, convert to impulse magnetos |
McCauley Model 1A-200-DFA-
8242 or -8244 propeller |
| 11) O-360-A3D |
Dynafocal mounts, fixed pitch
prop, retard breaker magnetos, (6) special long bushings in prop flange |
Replace bushings in prop
flange per S.I. 1098F, convert to impulse magnetos |
McCauley Model 1A-200-DFA-
8242 or -8244 propeller |
| 12) O-360-A4A |
Dynafocal mounts, retard
breaker magnetos, solid crankshaft |
Replace bushings in prop
flange per S.I. 1098F, convert to impulse magnetos |
McCauley Model 1A-200-DFA-
8242 or -8244 propeller |
| 13) O-360-A4M |
Dynafocal mounts, Slick
magnetos, solid crankshaft |
Replace bushings in prop
flange per S.I. 1098F, convert to impulse magnetos |
McCauley Model 1A-200-DFA-
8242 or -8244 propeller |
| 14) O-360-A4P |
Dynafocal mounts, Slick
magnetos, solid crankshaft |
Convert to dual impulse
magnetos refer to Lyc. S.I. 1098F for proper flange bushings |
McCauley Model 1A-200-DFA-
8242 or -8244 propeller |
