The HM.7 was originally designed by the Instituto Nacional de Tecnica Aeronautica (I.N.T.A.) and was first produced in 1946.
The HM.7 is a four-seat touring monoplane powered by a 240 hp Argus As 10c engine with wing and tail assemblies of wood, the fuselage of welded steel tube with fabric covering. The enclosed cabin seats four with automobile type doors. Full blind flying equipment was fitted.
No production of the HM.7 was undertaken owing to the lack of a suitable nationally designed engine.
Engine: 240 hp Argus As 10c
Wingspan: 33 ft 5.5 in
Length: 25 ft 9 in
Height: 7 ft
Empty weight: 1540 lb
Loaded weight: 2640 lb
Max speed: 162 mph
Cruise: 118 mph
All Aero 