No. 673 Squadron AAC is a squadron of the British Army's Army Air Corps. It was formerly No. 674 Squadron RAF, a glider squadron of the Royal Air Force, active during the Second World War within British India.
No. 673 Squadron was formed at Bikram, Patna in (then) British India on 1 January 1945 as a glider squadron, with the intention of being used for airborne operations by South East Asia Command. It continued to train, as part of No. 344 Wing RAF, until the surrender of Japan, when it became surplus to requirements; the squadron was disbanded on 25 October 1945 at Kargi Road.
No. 673 Squadron AAC was formed at Middle Wallop, on 1 April 2009 the squadron joined 7 Regiment AAC (Flying). It was disbanded on 11 December 2020, and was reformed on 8 June 2022 with the arrival of 2 new AH-64E Apache Guardians arrived.