High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! HMCS St. John's (FFH 340) is a Halifax-class frigate that has served in the Canadian Forces since 1996. St. John's is the eleventh ship in her class which is based on the Canadian Patrol Frigate Project. She is the first vessel to carry the designation HMCS St. John's. St. John's was laid down on 24 August 1994 at Saint John Shipbuilding Ltd., Saint John and launched on 26 August 1995. She was officially commissioned into the CF on 26 June 1996 and carries the hull classification symbol 340.