The DH.71 Tiger Moth was built in secrecy at Stag Lane in 1927 for high-speed research, mainly to act as a flying test-bed for a new series of engines being designed by Major F B Halford

The Davis DA-2 is a two-seat side-by-side low-wing sporting monoplane fitted with an all-moving VEE-tail having an included angle of 100 degrees