Trainings and communication aircraft, United Kingdom, 1938 Miles M.16 Mentor Engine: De Havilland Gipsy Six, 197 hp Length: 26.148 ft / 7.97 m Height: 9.678 ft / 2.95 m Wingspan: 34.777 ft / 10.6 m Wing area: 180.943 sq.ft / 16.81 sq.m Max take off weight: 2709.9 lb / 1229.0 kg Weight empty: 1977.9 lb / 897.0 kg Max. speed: 136 kts / 251 km/h Service ceiling: 13796 ft / 4205 m Wing loading: 14.97 lb/sq.ft / 73.0 kg/sq.m Crew: 2 Payload: 1pax