Lake Superior-class Nuclear Attack Submarine

The Lake Superior-class Nuclear Attack Submarine was a class of submarine in the Canadian Forces Maritime Command. The design is based on the Trafalgar-class although it has a twenty foot hull stretch, a CANDU reactor, and an eight-cell Mark fortyfive vertical launching system.

Specifications

 * Type: Nuclear Attack Submarine (Hull designation symbol SSN)
 * Builders:
 * Characteristics
 * Length: 300 feet (91.44 meters)
 * Beam: 32 feet (9.76 meters)
 * Draught: 31 feet (9.45 meters)
 * Displacement: 5,820 tons
 * Crew: 130
 * Power: 16,500 shp
 * Range: Unlimited
 * Speed: 32 Knots
 * Propulsion
 * 1 x AECL CANDU Reactor
 * 2 x Western Electric steam turbines
 * 2 x WH Allen turbo generators; 3.2 MW
 * 2 x Paxman diesel alternators 2,800 shp (2.1 MW)
 * 1 x pump jet propulsion
 * 1 x motor for emergency drive
 * 1 x auxiliary retractable prop
 * Sensor Suite
 * Ferranti/Gresham Dowty DCB/DCG or BAE Systems SMCS data system
 * Type 2072 hull-mounted flank array passive sonar
 * Plessey Type 2020 or Marconi/Plessey Type 2074 hull-mounted active and passive search and attack sonar
 * Ferranti Type 2046 or Thales Underwater Systems 2076 towed array passive search sonar
 * Thomson Sintra Type 2019 PARIS or Thorn EMI 2082 passive intercept and ranging sonar
 * Marconi Type 2077 short range active classification sonar
 * Kelvin Hughes Type 1007 I band navigation radar
 * Pilkington Optronics CK34 search periscope
 * Pilkington Optronics CH84/CM010 attack periscope
 * Armament
 * 6 x 533mm torpedo tubes
 * 1 x 8-cell Mark 45 VLS

Unit Run

 * HMCS Lake Superior (SSN-876) - commissioned January 12, 1993
 * HMCS Lake Huron (SSN-877) - commissioned January 29, 1994
 * HMCS Lake Athabasca (SSN-878) - commissioned July 17, 1995