The Hill Pterodactyl Mk.I in fully stalled flight.

Two views of the Cherub-powered Westland-Hill Pterodactyl Mk. IA under construction at Yeovil. The nacelle seated two side-by-side

The Westland-Hill Pterodactyl Mk. IB with Genet engine and single mainwheel - seen at Yeovil

The Westland-Hill Pterodactyl Mk. IB with Genet engine and single mainwheel - seen at Andover

Thr same aircraft at the 1926 R.A.F. Display at Hendon.

Alternative 1923 Hill tailless wing forms. Design "C" was evolved Into "D5" which had small rudders, as shown in detail drawing

Westland-Hill Pterodactyl Mk.IA/IB/IC

Hill 1925 Pterodactyl Mk.I

Hill 1923 tailless two-seat fighter project; Hill 1924 Pterodactyl glider