 (directly translated as Aeronautical Practical Experiment Center - in English this would probably be "Flight Test Centre") in 1959-60, for the flight tests necessary to develop training programs and materials.The type was also purchased by several countries such as Brazil and Argentina; 36 planes were license-built by Fabrica Militar de Aviones (FMA) in Argentina.The MS.760B Paris II, with various systems improvements and integral fuel tanks in the leading edges of the wing, first flew on 12 December 1960.