O-320-A1A……………………………….Aviamilano. Scricciolo (P-19).
Dinfia. Ranquel (1A-46).
Doyn Aircraft. Doyn-Cessna (170, 170A, 170B).
Mooney Aircraft. Mark (20A).
Piper Aircraft. Tri-Pacer (PA-22-150, PA-22S-150), Apache (PA-23-160), Pawnee (PA-25).
Simmering-Graz Pauker. Flamingo (SGP-M-222).
Vos Helicopter Co. Spring Bok.
O-320-A1B……………………………….Doyn Aircraft. Doyn-Cessna (170, 170A, 170B).
Piper Aircraft. Tri-Pacer (PA-22-150, PA-22S-150). Apache (PA-23-160).
S.O.C.A.T.A. Horizon (Gardan).
O-320-A2A………………………………. Dinfia. Ranquel (1A-46).
Intermountain Mfg. Co. Call Air Texas (A-5, A-5T).
Kingsford Smith. Autocraft (SCRM-153).
Lake Aircraft. Colonial (C-1).
LaVerda. Falco (F8L Series II, America).
Malmo. Vipan (MF1-10).
Neiva. (1PD-5802).
Piper Aircraft. Tri-Pacer (PA-22-150, PA-22S-150), Agriculture (PA-18A-150), Super Cub
(PA-18-150), Caribbean (PA-22-150), Pawnee (PA-25).
Rawdon Bros. Rawdon (T-1, T-15, T-15D).
Shinn Engineering. Shinn (2150-A).
Sud. Gardan-Horizon (GY-80).
O-320-A2B……………………………….Aero Commander. (100).
Artic. Interstate (S1B2).
Beagle. Pup (150).
Champion Aircraft. Challenger (7GCA, 7GCB, 7KC), Citabria (7GCAA, 7GCRC),
Agriculture (7GCBA).
Piper Aircraft. Tri-Pacer (PA-22-150, PA-22S-150), Cherokee (PA-28-150), Super Cub
(PA-18-150).
Robinson. (R-22).
O-320-A2C………………………………. Cicare. Cicare (AG).
Robinson. (R-22).
Varga. Kachina (2150A).
O-320-A2D………………………………. Bellanca Aircraft. Citabria 150 (7GCAA), Citabria 150S (7GCBC)
