sentences:  A single prototype W.8D was ordered by the Air Ministry in January 1923, first flying in October 1923 and was delivered to the Aeroplane and Armament Experimental Establishment (A & AEE) at Martlesham Heath for evaluation against the Vickers Virginia.On the basis of this evaluation, the aircraft, now called the Hyderabad, was ordered for use by the RAF.The Hyderabad entered service with No.