737 Naval Air Squadron (737 NAS) was a Naval Air Squadron of the Royal Navy's Fleet Air Arm. It was initially active during 1943 as an amphibious Bomber Reconnaissance Training Squadron. Reactivated in 1944 it operated as an ASV Training Unit until 1945. It was active again between 1949 and 1957. From 1959 it was the Anti-Submarine Warfare school at RNAS Portland. It operated Westland Wessex HAS.3 rescue helicopters from their land base at RNAS Portland, Dorset. History Bomber Reconnaissance Training Squadron (1943) 737 Naval Air Squadron was formed at RNAS Dunino (HMS Jackdaw II) on 22 February 1943, as an amphibious Bomber Reconnaissance Training Squadron with Supermarine Walrus, until 28 September 1943. ASV Training Unit (1944 - 1945) The squadron then reformed as an ASV (Air-to-Surface Vessel) radar Training Unit at RNAS Inskip (HMS Nightjar) on 15 March 1944 remaining until 28th August 1944, when it then moved to RNAS Arbroath (HMS Condor), the unit was equipped with Fairey Swordfish Mk II and Avro Anson Mk I. On 15 April 1945 737 NAS moved to RNAS Burscough (HMS Ringtail). It received Fairey Barracuda Mk III in the following August. Other aircraft included Fairey Swordfish Mk II and Avro Anson Mk I. Crews were trained in the use of A.S.V. Mk X and XI radar for anti shipping operations. The squadron disbanded into 735 NAS in November 1945. At RNAS Eglinton (1949 - 1957) The squadron reformed on 30 March 1949 at RNAS Eglinton (HMS Gannet). During the month of July in 1951 737 NAS was involved in a trial around the suitability of the British Radio Directional Sonobuoy Mk 1 for Fleet Air Arm aircraft. On 22 November 1957, the squadron disbanded at Eglinton. At RNAS Portland (1959 - 1983) 737 NAS reformed again on the 28 August 1959 at RNAS Portland as the Royal Navy Anti-Submarine Wafare School acquiring Westland Whirlwind HAR.3 from the remains of 815 NAS which disbanded. It then took on Westland Whirlwind HAS.7 roughly 1 month later. From July 1962 the squadron operated Westland Wessex HAS.1, then in October 1967 it took on deliveries of Westland Wessex HAS.3. Taking over from 829 NAS, in June 1970, 737 NAS became responsible for the Wessex Flights aboard the remaining County Class Destroyers. July 1970 saw the squadron take the Westland Sea King HAS.1, the first anti-submarine version for the Royal Navy. In May 1972, 737 NAS