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Prestonian-class frigate
Class overview
Operators: Naval Ensign of the United Kingdom.png Royal Canadian Navy
Preceded by: River-class frigate
Succeeded by: St. Laurent-class destroyer
In commission: 28 August 1953 - 15 September 1967
Planned: 21
Completed: 21
Retired: 21
General characteristics
Displacement: 2,360 t (2,360.0 t) (full load)
Length: 301.25 ft (91.82 m)o/a
Beam: 36.5 ft (11.13 m)
Draught: 12 ft (3.66 m)
Propulsion: 2 x Admiralty 3-drum boilers, 2 shafts, reciprocating vertical triple expansion, 5,500 ihp (4,100 kW)
Speed: 19 knots (35.2 km/h)
Complement: 140
Sensors and
processing systems:
  • 1 x USN SU Type radar (4" gunnery spotting)
  • 1 x Sperry Mk.2 navigation radar
  • 1 x Type 147 target depth finding sonar
  • 1 x Type 164B search sonar
  • 1 x SQS 501 (Type 162) bottom profiler sonar
  • 1 x Optical fire control director for twin 40mm
Electronic warfare
& decoys:
  • 1 x DAU hf/df
  • 1 x AN/UPD 501 d/f
  • Armament:
  • 1 x 4"/45 QF Mk.16 twin
  • 1 x 40mm/56 Mk.5 twin
  • 2-4 x 40mm/56 Boffin
  • 2 x Squid Mk.4 ASW 3-barrelled mortars
  • Aviation facilities: HMCS Buckingham (FFE 314) fitted with flight deck for helicopter tests.

    The Prestonian-class ocean, anti-submarine escort frigate was a class of 21 frigates that served with the Royal Canadian Navy from 1953-1967.

    They were converted from mothballed River-class frigates that had been placed in reserve following the end of World War II. The first vessel to be reactivated and undergo refit was Prestonian which was recommissioned on 28 August 1953. The class did not use sequential pennant numbers.

    Ships[]

    References[]


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