The British Hovercraft Corporation SR.N3 was a 37.5 ton hovercraft originally designed by Saunders-Roe. Launched in 1963, it was primarily aimed at military deployment. Propulsion and lift was provided by four rear-mounted Bristol-Siddeley Gnome gas turbine engines that allowed the SR.N3 to cruise at 70 knots. The British Inter-Service Hovercraft Trials Unit, based at Browndown, Stokes Bay, tested the SR.N3 in a wide variety of conditions, including ice. On 16th. September, 1964 an SR.N3 operated satisfactorily in a full gale and six foot seas.[1] The SR.N3 never entered full service and ended up being used for target practice.
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