Country: Canada
Class, [Type]: Upholder, [SSK].
Builder: Cammell Laird, Birkenhead, U.K.
Launch date: 16 April 1992.
Commission date: 04 October 2003.
Displacement ( tons ): 1.870 tons standard, 2.185 tons surfaced, 2.400 tons submerged .
Dimensions ( metres ): 70,26 x 7,6 x 5,5
Main machinery: 2 x Paxman Valenta 16 RPA 200SZ 16-cyl. diesel generators, 2 x G.E.C.-Alsthom alternators, 1 x electric motor, 1 x propeller .
Speed ( knots ): 12 knots surfaced, 20 knots submerged.
Range ( miles ): 8.000 at 8 knots (snorkelling); 54 at 20 knots submerged, 270 at 3 knots submerged. Endurance is 50 days.
Complement: 44 ( 7 officers ).
Torpedoes: 18 x Mk48 torpedoes, launched from 6 x 533mm bow tubes.
Radar: Surface Search/Navigation: 1 x Kelvin-Hughes Type 1007.
Sonar: Type 2040 Argonaut, bow, active/passive; Type 2041 MicroPUFFS passive flank array; SUBTASS towed array; Type 2019 (PARIS) intercept.
Countermeasures: Decoys: Type 2066 Bandfish and Type 2071 decoys, 2 x SSE Mk 8 decoy tubes; ECM: Sperry Guardian Star .
Callsign: CZWR ()
Comment: Ex-RN HMS S43 Unicorn.