Ambrosini took over the Passignano factory of the Societa Aeronautica Italiana in 1934 and in 1935 produced the S.A.I. 2 five seat cabin monoplane for the Littorio Rally and Air Race,
The S.A.I. 2S four-seater cabin monoplane was developed from the S.A.I. 2, and the post-war Grifo and Girfalco were developed directly from this aircraft.
Engine: Alfa 115, 185 hp
Wingspan: 34 ft 11 in
Length: 25 ft 6 in
Height: 9 ft 2 in
Empty weight: 158 lb
Loaded weight: 3124 lb
Max speed: 161 mph
Cruise: 137 mph
Range: 702 mi
All Aero 