The de Havilland T.K.5 was an unflown 1930s British single-seat canard research aircraft, designed and built by students of the de Havilland Technical School.
The T.K.5 was built by students at Stag Lane Aerodrome between 1938 and 1939.[1] It was a low-wing monoplane with a 140 hp (104 kW) de Havilland Gipsy Major IC piston engine driving a pusher propeller.The only T.K.5, registered G-AFTK, was tested by Geoffrey de Havilland in 1939 but it refused to leave the ground and was scrapped.