The 29 (BATUS) Flight Army Air Corps is an independent flight within the British Army's Army Air Corps. The British Army Training Unit Suffield (BATUS) conducts major training exercises in Alberta, Canada at the Canadian Forces Base Suffield. 29 Flight AAC provides aviation support for the training. Its roles include supervision, CASEVAC (casualty evacuation), reconnaissance, liaison and limited lift of passengers and equipment. The unit uses Westland Gazelle AH.1 and Westland Lynx AH.9A helicopters.