Registered to Imperial Airways 23 April 1930. First flew 8 Dec.1931. Built originally as an HP.42W (to which model the designation HP.45 was applied in later years but not during their flying lives nor was it reflected in the c/n.) and converted to an HP.42E in 1935. It was destroyed by fire in the airship shed at Drigh Road airfield, Karachi 31 May 1937. Cancelled July 1937.