The Short S.B.4 Sherpa was a British single-seater twin-jet research aircraft built during the early 1950's as a private venture to prove the practical possibilities of the aero-isoclinic wing designed by David Keith-Lucas at Short Brothers & Harland Ltd. The Shorts S.B.4 Sherpa was a shoulder-wing cantilever monoplane powered by two Blackburn Turbomeca Palas turbojet engines. Research Short S.B.4
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