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No.104 Squadron, IAF, was a coastal patrol squadron that operated over the Indian Ocean from April-June 1942.
No.104 Squadron was formed on 1 April 1942 from No.4 Coast Defence Flight (this explains the high squadron number - No.4 Squadron IAF having been formed in the previous month).
The squadron was only operational from April until June 1942, flying coastal patrols. This period saw the most Japanese activity in the Indian ocean. On 6 April one of the squadron's aircraft found a Japanese force attacking a merchant ship, and the squadron's base was bombed during the Japanese carrier raid into the Indian ocean.
On 12 June 1942 the squadron's aircraft were transferred to No.151 OTU, but the squadron continued to exist until the end of November. On 1 December 1942 the squadron's personnel became part of the new No.7 Squadron, IAF, a dive-bomber squadron that would be based at Vizagapatam until March 1943 while it attempted to iron out problems with its Vultee Vengeance dive bombers.
April-November 1942: Westland Wapiti IIA
May-December 1942: Westland Lysander II
July-December 1942: de Havilland Tiger Moth
April 1942: Dum Dum
April-November 1942: Vizagapatam
Squadron Codes: -
April-June 1942: Coastal Patrols