Canada’s submarine availability under pressure as Chicoutimi is unlikely to return to front-line duties

HMCS Chicoutimi is unlikely to return to front-line service, adding uncertainty to Royal Canadian Navy submarine availability before replacement boats arrive. HMCS Victoria and HMCS Windsor could return from deep maintenance, but their operational timelines remain unconfirmed, limiting certainty over future patrol capacity. Canada operates a four-boat Victoria-class fleet and is negotiating with TKMS as preferred supplier for up to twelve new submarines under the Canadian Patrol Submarine Project. The government targets initial replacement deliveries in 2034, while the outlook for Chicoutimi should not be treated as a confirmed retirement decision or an announced decommissioning date.