High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! HMCS Calgary (FFH 335) is a Halifax-class frigate that has served in the Canadian Forces since 1995. Calgary is the sixth vessel in her class which is the name for the Canadian Patrol Frigate Project. She is the second vessel to carry the designation HMCS Calgary. Calgary was laid down on 15 June 1991 at MIL Davie Shipbuilding, Lauzon and launched on 28 August 1992. She was officially commissioned into the CF on 12 May 1995 and carries the hull classification symbol 335.