A long-range troop transport conversion of the Mk. III. Nose and mid-upper turrets removed and replaced by fairings, but the four-gun tail turret retained. A large opening in the underside of the rear fuselage introduced for the dropping of paratroops. Bomb cells retained and used for the carriage and dropping of airborne supplies. Crew of six, comprising two pilots, navigator, radio operator, flight engineer and tail gunner. Aft of rear spar provision for the carriage of 24 paratroops or 34 airborne troops with arms and equipment. Also fitted for glider-towing.