The squadron reformed at RNAS Donibristle (HMS Merlin), in 1942, as a Beam Approach School.

Moving to RNAS Hinstock (HMS Godwit), it was known as the Naval Advanced Instrument Flying School.

It operated with Blackburn Shark II, a carrier-borne torpedo bomber, Hawker Osprey III, a navalised carrier-borne version of the Hawker Hart, used in the fighter and reconnaissance roles and Percival Proctor Ia and IIa, a radio trainer and communications aircraft.

[5] 758 Naval Air Squadron reformed at RNAS Donibristle (HMS Merlin), near Dunfermline, in Fife, on 25 May 1942.

[3] The relief landing grounds, at RNAS Weston Park (HMS Godwit II),[8] situated in the grounds of Weston Park, a country house in Weston-under-Lizard, Staffordshire, and RAF Bratton,[9] located at Bratton, Shropshire, were used by 758 Naval Air Squadron for Instrument Flying Training, until RNAS Hinstock gained RNAS Peplow as a satellite airfield and from 28 February 1945 the squadron then operated from RNAS Peplow (HMS Godwit II), situated just outside Peplow in Shropshire.