 He sat facing rearwards below the upper fuselage line and out of the slipstream, at a point where the fuselage stepped to a slim and narrowing oval boom.There was usable space inside the fuselage between the cockpits, enough to carry three passengers or two stretcher cases.All the tail surfaces moved; the fin, mounted ahead of the tailplane, moved with the horn-balanced rudder but through smaller angles, changing the camber, and the tailplane and single elevator were similarly coupled.