HMCS Ottawa (DDH 229)

History
Canada
NameOttawa
NamesakeOttawa River
BuilderCanadian Vickers, Montreal
Laid down8 June 1951
Launched29 April 1953
Commissioned10 November 1956
Decommissioned31 July 1992
Reclassified21 October 1964 (as DDH)
IdentificationDDH 229
Honours and
awards
Atlantic 1939–45, Normandy 1944, English Channel 1944, Biscay 1944[1]
FateScrapped in 1994.
BadgeGules, a bend wavy argent charged with two cotises wavy azure over all a beaver or, the sinister forepaw resting on a log of silver birch proper.[1]
General characteristics
TypeDestroyer escort
Displacement
  • As DDE:
  • 2263 tons (normal), 2800 tons (deep load)
  • As DDH:
  • 2260 tons (normal), 3051 tons (deep load)[2]
Length366 ft (111.6 m)
Beam42 ft (12.8 m)
Draught
  • As DDE: 13 ft (4.0 m)[3]
  • As DDH:14 ft (4.3 m)[2]
Propulsion2-shaft English-Electric geared steam turbines, 3 Babcock & Wilcox boilers 22,000 kW (30,000 shp)
Speed28.5 knots (52.8 km/h)[3]
Range4,570 nautical miles (8,463.6 km) at 12 knots (22.2 km/h)
Complement
  • As DDE: 249
  • As DDH: 213 plus 20 aircrew
Sensors and
processing systems
  • As DDE:
  • 1 × SPS-12 air search radar
  • 1 × SPS-10B surface search radar
  • 1 × Sperry Mk.2 navigation radar
  • 1 × SQS-10 or −11 hull mounted active search and attack sonar
  • 1 × SQS-501 (Type 162) high frequency bottom profiling sonar
  • 1 × SQS-502 (Type 170) high frequency Limbo mortar control sonar
  • 1 × UQC-1B "Gertrude" underwater telephone
  • 1 × GUNAR (Mk.64 GFCS with 2 on-mount SPG-48 directors)
  • As DDH:
  • 1 × SPS-12 air search radar
  • 1 × SPS-10B surface search radar
  • 1 × Sperry Mk.2 navigation radar
  • 1 × URN 20 TACAN radar
  • 1 × SQS-10 or −11 hull mounted active search and attack sonar
  • 1 × SQS-501 (Type 162) high frequency bottom profiling sonar
  • 1 × SQS-502 (Type 170) high frequency Limbo mortar control sonar
  • 1 × SQS-504 VDS, medium frequency active search (except 233 after 1986)
  • 1 × UQC-1B "Gertrude" underwater telephone
  • 1 × GUNAR (Mk.64 GFCS with 1 on-mount SPG-48 director)
Electronic warfare
& decoys
  • As DDE:
  • 1 × DAU HF/DF (high frequency direction finder)
  • As DDH:
  • 1 × WLR 1C radar warning
  • 1 × UPD 501 radar detection
  • 1 × SRD 501 HF/DF
Armament
  • As DDE:
  • 2 × 3 in (76 mm) Mk.33 FMC twin mounts guns
  • 2 × 40 mm "Boffin" single mount guns
  • 2 × Mk NC 10 Limbo ASW mortars
  • 2 × single Mk.2 "K-gun" launchers with homing torpedoes
  • As DDH:
  • 1 × 3"/50 Mk.33 FMC twin mount gun
  • 1 × Mk NC 10 Limbo ASW mortar
  • 2 × triple Mk.32 12.75 inch launchers firing Mk.44 or Mk.46 Mod 5 torpedoes
Aircraft carried
Aviation facilities
  • As DDH:
  • 1 × midships helicopter deck with Beartrap and hangar

HMCS Ottawa (DDH 229) was a St. Laurent-class destroyer that served in the Royal Canadian Navy and later the Canadian Forces from 1956 to 1992. Ottawa was the first bilingual ship to serve in the Canadian navy.[4]

  1. ^ a b Arbuckle, p. 83
  2. ^ a b Sharpe, p. 84
  3. ^ a b Blackman, 1964
  4. ^ Macpherson and Barrie (2002), p. 248