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An aeroplane which comprises, in combination, a wing with two spans, a fuselage centrally of said spans, and bracing struts connected to the fuselage and to points on the wing nearer to the centre of each span than to the root and tip thereof, each bracing strut having a substantial lift effect in level flight throughout substantially its whole length, high lift devices of low drag coefficient mounted on each span of the wing, means joined to said devices for controlling both of said devices simultaneously in the same direction, said wing, struts and high lift devices in active position having a combined aspect ratio of at least 15 and a loading of at least 80 kg. per sq. m.