Derived from the MB.50 Pipistrelle and MB.60 Barbastrelle, the two-seat cabin MB.70 was built to meet the requirements of the Service de l’Aviation Legere et Sportive.
It obtained its Certificat de Navigabilite in July 1950.
Prototypes of three versions were built, differing only in the type of engine installed.
MB.70
Engine: Salmson 9ADB, 45 hp
Wing span: 33 ft 11 in
Seats: 2
MB.71
Engine: Minie 4 DC32, 75 hp
Wing span: 33 ft 11 in
Length: 21 ft 4 in
Height: 8 ft 2 in
Empty weight: 765 lb
Loaded weight: 1212 lb
Max speed: 101 mph
Cruise: 89 mph
ROC: 787 fpm
Seats: 2
MB.72
Engine: Continental A65, 65 hp
Wing span: 33 ft 11 in
Seats: 2
All Aero 