sentences:  They were provided with a display that used a transmitter in the towing aircraft to show the relative positions of the two aircraft when flying in cloud.The wings were made of dural and fabric and were braced to the fuselage by a single strut on each side.Large slotted trailing-edge flaps were fitted to the wings, while the aircraft was fitted with a fixed nosewheel undercarriage which could be made to "kneel" by releasing air from the pneumatic shock struts of the undercarriage, lowering the fuselage for ease of unloading or to make short landings on belly-mounted skids.