Type 15 Frigate

The Royal Navy Type 15 frigate HMS Relentless (F185) underway after her conversion.

The Type 15 frigate was a class of British anti-submarine frigates of the Royal Navy. They were conversions based on the hulls of World War II-era destroyers built to the standard War Emergency Programme "utility" design.

Specifictations

• Type: Anti-Submarine Frigate
• Service Period: 1951-1977
• Characteristics:
  • Length: 358 feet (109.12 meters)
  • Beam: 37 feet 9 inches (11.51 meters)
  • Draught: 14 feet 6 inches (4.42 meters)
  • Displacement: 2,300 tons (Standard); 2,700 tons (Full Load)
• Crew: 174
• Propulsion: 2 × Admiralty 3-drum boilers, 2 x steam turbines, 2 x shafts, 40,000 shp (30,000 kW)
• Speed: 31 knots (57.41 km/h)
• Sensor Suite:
  • Type 293Q target indication (later Type 993) RDF
  • Type 277Q surface search RDF
  • Type 974 navigation RDF
  • Type 262 fire control RDF on director CRBF
  • Type 1010 Cossor Mark 10 IFF
  • Type 174 search ASDIC
  • Type 162 target classification ASDIC
  • Type 170 attack ASDIC
• Armament:
  • 2 x QF 4"/45-caliber Mk.XIX dual purpose naval guns (1x2)
  • 1 x Bofors 40mm Mk.V anti-aircraft guns (1x2)
  • 2 × Squid or Limbo Mark 10 anti-submarine mortars

Unit Run

Royal Navy

• HMS Onslaught (F04)
• HMS Urania (F08)
• HMS Troubridge (F09)
• HMS Ulysses (F17)
• HMS Onslow (F18)
• HMS Terpsichore (F19)
• HMS Teazer (F23)
• HMS Verulam (F29)
• HMS Whelp (F37)
• HMS Volage (F41)
• HMS Tenacious (F44)
• HMS Venus (F50)
• HMS Undaunted (F53)
• HMS Petard (F56)
• HMS Tyrian (F67)
• HMS Wizard (F72)
• HMS Virago (F76)
• HMS Wessex (F78)
• HMS Ulster (F83)
• HMS Orwell (F89)
• HMS Vigilant (F93)
• HMS Orwell (F98)
• HMS Zest (F102)
• HMS Tumult (F121)
• HMS Rapid (F138)
• HMS Undine (F141)
• HMS Tuscan (F156)
• HMS Wrangler (F157) - Sold to the South African Navy as SAS Vrystaat 1957, sunk as a target in 1976
• HMS Wakeful (F159)
• HMS Paladin (F169)
• HMS Relentless (F185)
• HMS Whirlwind (F187)
• HMS Termagant (F189)
• HMS Rocket (F193)
• HMS Roebuck (F195)
• HMS Urchin (F196)
• HMS Grenville (F197)
• HMS Ursa (F200)

Royal Australian Navy

• HMAS Quality
• HMAS Quadrant
• HMAS Queenborough
• HMAS Quiberon
• HMAS Quickmatch