765 NAS reformed at RNAS Charlton Horethorne (HMS Heron II), in early February 1944, as a Travelling Recording Unit.

In February 1940, 765 Naval Air Squadron received two Blackburn Roc turret fighter aircraft fitted with floats, for evaluation.

[5] On the 26 August 1940, the squadron moved to RNAS Sandbanks, located on the premises of the Royal Motor Yacht Club (RMYC) at Sandbanks, Poole Harbour, Dorset, which had been requisitioned as a Seaplane base by the Admiralty, taking its collection of Supermarine Walrus amphibious aircraft, and Fairey Swordfish, Fairey Seafox and Blackburn Roc floatplane aircraft.

[6] 765 Naval Air Squadron reformed, on the 10 February 1944, at RNAS Charlton Horethorne (HMS Heron II), situated in the hamlet of Sigwells in Somerset, England, as a Travelling Recording Unit.

However, seven months later, 765 Naval Air Squadron moved to RAF Manston, located in the north-east of Kent, on the Isle of Thanet, on the 14 June 1945.

[4] It provided air transport for personnel, to and from different parts of the Mediterranean Basin, but primarily bringing them back to Malta for onward travel home.

[2] 765 Naval Air Squadron reformed at RNAS Culdrose (HMS Seahawk),[4] near Helston on the Lizard Peninsula of Cornwall, England, on 14 February 1955, as a Piston Engine Pilot Pool.

In February 1957, Boulton Paul Sea Balliol T.Mk 21, a Fleet Air Arm advanced trainer aircraft and de Havilland Sea Devon C Mk 20, a transport and communications version, for the Royal Navy, of the de Havilland Dove short-haul airliner, were also added, however, the squadron only lasted around one more month, with 765 Naval Air Squadron disbanding at RNAS Culdrose (HMS Seahawk) on 25 March 1957.

[4] During its two years of existence, the squadron converted two-hundred and forty-four pilots to either Fairey Firefly or Airspeed Oxford aircraft.