|Role||Training and Communications|
|Manufacturer||Miles Aircraft Limited|
|First flight||5 January 1938|
|Status||Retired or Destroyed|
|Primary user||Royal Air Force|
|Developed from||Miles M.7 Nighthawk|
Design and development
The Mentor was developed from the Miles M.7 Nighthawk to meet the Air Ministry Specification 38/37 for a three-seat cabin monoplane for use in a communications role. The requirement asked for the aircraft to be able to carry out instrument and radio training in day or night.
The first prototype (Serial L4392) first flew on 5 January 1938. An order for 45 aircraft was received and they were all delivered to the Royal Air Force between April 1938 and February 1939. They were mainly used by No. 24 Squadron and by RAF station flights.
Data from 
- Crew: 2
- Length: 26 ft 1.75 in (7.9693 m)
- Wingspan: 34 ft 9.5 in (10.605 m)
- Height: 9 ft 8 in (2.95 m)
- Wing area: 181 sq ft (16.8 m2)
- Empty weight: 1,978 lb (897 kg)
- Gross weight: 2,710 lb (1,229 kg)
- Powerplant: 1 × de Havilland Gipsy Six 6-cyl. inverted air-cooled in-line piston engine, 200 hp (150 kW)
- Maximum speed: 156 mph (251 km/h, 136 kn)
- Service ceiling: 13,800 ft (4,200 m)
- Rate of climb: 780 ft/min (4.0 m/s)
- Wing loading: 15 lb/sq ft (73 kg/m2)
- Brown, Don L. (1970). Miles Aircraft since 1925. London: Putnam & Company. ISBN 0 370 00127 3.
- Amos, Peter. and Brown, Don Lambert. Miles Aircraft Since 1925, Volume 1. London: Putnam Aeronautical, 2000. ISBN 0-85177-787-2.
- Brown, Don Lambert. Miles Aircraft Since 1925. London: Putnam & Company Ltd., 1970. ISBN 0-370-00127-3.
- Halley, J.J. Royal Air Force Aircraft L1000-N9999. Air-Britain (Historians) Ltd. 1993. ISBN 0-85130-208-4.
- The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985). Orbis Publishing.
- Jackson, A.J. British Civil Aircraft since 1919. London: Putnam, 1974. ISBN 0-370-10014-X.
- Swanborough, Gordon. British Aircraft at War, 1939–1945. East Sussex, UK: HPC Publishing, 1997. ISBN 0-9531421-0-8.
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