HMS Blackpool (F77)

British Whitby-class frigate HMS Blackpool (F77).

The Type 12 Whitby-class frigates were a twelve-ship class of anti-submarine frigates of the Royal Navy and Royal Indian Navy that entered service late in the 1950s. They were designed as first-rate ocean-going convoy escorts in light of experience gained during World War II. At this time the Royal Navy were designing single-role escorts, and the Whitbys were designed as fast convoy escorts capable of tackling high-speed submarines. However, this made the Whitbys more expensive and sophisticated to produce in large numbers in the event of a major war, and so the Type 14 anti-submarine frigate was developed to complement the Type 12. Although themselves rapidly outdated, the Type 12 proved to be an excellent basis for a series of frigate designs used by the British and Commonwealth navies for the next 20 years.


  • Type: Frigate
  • Service Period: 1956-1985
  • Characteristics:
    • Length: 370 feet (112.78 meters)
    • Beam: 41 feet (12.5 meters)
    • Draught: 17 feet (5.18 meters)
    • Displacement: 2,150 tons (Standard); 2,560 tons (Full Load)
  • Crew: 152-225
  • Propulsion: Y-100 plant; 2 x Babcock & Wilcox boilers, 2 x English Electric steam turbines, 2 x shafts, 30,000 shp (22 MW)
  • Range: 4,200 nautical miles (7,778.4 kilometers) at 12 knots (22.22 km/h)
  • Speed: 30 knots (55.56 km/h)
  • Sensor Suite:
    • Type 974 Navigation RDF
    • Type 277Q Height Finding RDF - later removed
    • Type 293Q Target Indication RDF - replaced by Type 993
    • Type 262 STAAG Fire Control RDF
    • Type 275 Fire Control RDF
    • Type 1010 Cossor Mk.10 IFF
    • Type 174 Search ASDIC
    • Type 162 Target Classification RDF
    • Type 170 Attack ASDIC
  • Armament:
    • 2 x QF 4.5"/45-caliber Mk.VI dual purpose naval guns (2x1)
    • 3 x Bofors 40mm/60-caliber anti-aircraft guns (1x1, 1x2)
    • 2 x Limbo Mk.X ASW mortars
    • 12 x 21" torpedo tubes (6x2) - fires Mk.20E Bidder ASW torpedoes

Unit RunEdit

Royal NavyEdit

  • HMS Whitby (F36)
  • HMS Torquay (F43)
  • HMS Scarborough (F63)
  • HMS Tenby (F65)
  • HMS Eastbourne (F73)
  • HMS Blackpool (F77) - loaned to New Zealand from 1966 to 1971.

Royal Indian NavyEdit

  • HMIS Talwar (F140)
  • HMIS Tarkash (F141)
  • HMIS Trikand (F142)
  • HMIS Trishul (F143)
  • HMIS Tabar (F144)
  • HMIS Teg (F145)

See AlsoEdit

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