iroquois class destroyer

Iroquois-class destroyers are helicopter-carrying, anti-submarine warfare destroyers of the Canadian Navy. Launched in the 1970s, the entire class underwent major retrofits as a part of the Tribal Class Update and Modernization Program (TRUMP) in the 1990s.

General characteristics

Power plant: two shafts, two Pratt & Whitney FT4-A2 gas turbines (37 megawatts at the shaft), two Allison 570-KF gas turbines (5.6 megawatts at the shaft)
Length: 129 m
Beam: 15 m
Draft: 4.4 m
Displacement: 5100 tons full load
Speed: in excess of 29 knots (54 km/h)
Aircraft: 2 CH-124 Sea King helicopters
Complement: 285
Armament: one 29-cell VLS (Standard SM-2MR Block IIIA), one 76 mm/62 OTO Melara (Super Rapid) DP, 0.5 in (12.7 mm) machine guns, 1 20 mm Close-In Weapons Systems, two triple Mark-46 12.75 in (324 mm) torpedo tubes firing Mark-46 Mod 5 torpedoes.
Radar: AN/SPQ 501 (Signaal DA-08), AN/SPQ 502 (Signaal LW-08)
Sonar: SQS-510 hull, SQS-510 VDS

HMCS Iroquois (DDH 280): commissioned July 29, 1972; refitted July 3, 1992
HMCS Huron (DDH 281): commissioned December 16, 1972; refitted November 25, 1994
HMCS Athabaskan (DDH 282): commissioned September 30, 1972; refitted June 4, 1994
HMCS Algonquin (DDH 283): commissioned November 3, 1973, refitted October 11, 1991

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