G-AKTW Westland-Sikorsky 51 Dragonfly 1A
This Westland shot shows the first Sikorsky S.51 built
under licence at Yeovil on its first
test flight. This
British built version utilized an Alvis Leonides 521/1 engine.
was later converted to the
prototype private venture Westland WS.51 Widgeon helicopter,