Agusta AZ.8L 4x 503/2 de Havilland Canada DHC-2 Beaver Mk.2 — 1x 502/4, 520 hp Fairey Gyrodyne — one 525 hp to drive rotor and propeller Fairey Jet Gyrodyne — one 525 hp to drive air compressor and propellers Handley Page H.P.R.2 (WE505 only) — 1 x 502/4 550 hp SR.N1 Hovercraft — the first hovercraft