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P.64 Fachiro III - Prototype, one built. •
P.64B Oscar B - Production aircraft with cut-down rear fuselage and Lycoming engine, 64 built. •
P.64B Oscar 180 - Marketing name for the Oscar B. •
P.64B Oscar 200 - 200 hp version of the Oscar B, 9 built. •
P.66B Oscar 100 - Two-seat version with Lycoming engine, 80 built. •
P.66B Oscar 150 - Three-seat version with
Lycoming O-320 engine, 50 built. •
P.66C Charlie - Four-seat aerobatic version of the P.66B with 160 hp Lycoming engine, 107 built. •
P.66D Delta - P.66B with minor changes, one built. •
P.66T Charlie - Two-seat trainer version of the P.66C, one built. •
AFIC RSA 200 Falcon - South-African version of the P.64. ==Operators==