504, 505, 506 and 510 (Special Duty) Flights based at Hornsea but operating from Atwick, RAF Greenland Top/Stallingborough) and Owthorne.

The Squadron flew anti-submarine patrols on the coast of Yorkshire for the remainder of World War I and was then disbanded on 30 June 1919.

1407 (Meteorological) Flight, stationed at Reykjavík, was renumbered for air-sea rescues on 1 August 1944.

1407 Flight was formed in October 1941, receiving Lockheed Hudson aircraft in April 1942.

The number of aircraft was expanded in November with more Hudsons and a few Handley Page Hampdens.