[1] On 20 August 1918 Flights 490, 557 and 558 of the former RNAS base at Great Yarmouth were formed into No.
Flying the DH4, DH9 and DH9A, it carried out anti-submarine patrols over the North Sea until the end of the war.
[2] Operating the Spitfire and Blenheim it flew strategic reconnaissance sorties over Germany until being evacuated to Britain following the fall of France.
[1] The squadron was reformed on 22 October 1942 to operate the Catalina in the air-sea rescue and anti-submarine warfare role over the Indian Ocean, Persian Gulf, Arabian Sea, and along the coasts of India and Burma.
It was based at Korangi Creek near Karachi, with detachments at Umm Rasays, Masirah, in Oman, and Calcutta in East India.