Type 21 frigate

The Type 21 frigate (or Amazon-class frigate), was a Royal Navy general-purpose escort that was designed in the late 1960s, built in the 1970s and served throughout the 1980s into the early 2010s. The Royal Indian Navy also order six vessels in the late 1960s which entered service in the 1970s.

Specifications[]

Type: General Purpose Frigate
Service Period: 1974-2010
Characteristics:
- Length: 390 feet (118.87 meters)
- Beam: 41.8 feet (12.74 meters)
- Draught: 19 feet (5.8 meters)
- Displacement: 2,860 tons (Standard); 3,360 tons (Full Load)
Crew: 180 (16 officers and 164 ratings)
Propulsion: 2 x Rolls Royce Tyne RM1A gas turbines, 2 x Rolls Royce Olympus TM3B gas turbines, 2 x shafts, 117,000 shp (86,600 kW)
Range: 4,000 nautical miles (7,408 kilometers) at 17 knots (31.48 km/h)
Speed: 32 knots (59.26 km/h)
Sensor Suite:
- Type 992Q Air/Surface Search RDF
- Type 978 Navigation RDF
- Type 912 Fire Control RDF
- Type 184M ASDIC
- Type 162M ASDIC
Armament:
- 1 x 4.5"/45-caliber Mk.8 naval gun
- 2 x GWS.30 Sea Dart AAM Launcher
- 2 x 4-cannister Broadsword AShM Launchers
- 2 x Oerlikon 20mm cannons (replaced by 30mm Goalkeeper CIWS)
- 2 x triple 18" STWS-1 triple torpedo tubes
Aircraft Carried: 1 x Westland Wasp (later Westland Lynx)
Aviation Facilities: Flight Deck and Enclosed Hangar

Unit Run[]

Royal Navy[]

HMS Amazon (F169)
HMS Antelope (F170)
HMS Active (F171)
HMS Ambuscade (F172)
HMS Arrow (F173)
HMS Alacrity (F174)
HMS Acheron (F175)
HMS Association (F176)
HMS Azalea (F177)
HMS Ambrose (F178)
HMS Ameer (F179)
HMS Attacker (F180)
HMS Alert (F181)
HMS Arrowhead (F182)
HMS Agile (F183)
HMS Ardent (F184)
HMS Avenger (F185)
HMS Amphion (F186)

Royal Indian Navy[]

Flight I[]

HMIS Arnala (F177)
HMIS Androth (F178)
HMIS Vijaydurg (F179)
HMIS Sindhudurg (F170)
HMIS Hosdurg (F171)
HMIS Andajip (F172)
HMIS Andaman (F173)
HMIS Amini (F174)
HMIS Kamorta (F175)
HMIS Kadmatt (F176)
HMIS Kiltan (F177)
HMIS Kavaratti (F178)
HMIS Katchall (F179)
HMIS Amandivi (F180)

Flight II[]

HMIS Tariq (F181)
HMIS Babur (F182)
HMIS Khaibar (F183)
HMIS Badr (F184)
HMIS Tippu Sultan (F185)
HMIS Shah Jahan (F186)

Royal Yugoslav Navy[]

Split (VPBR-31)
Koper (VPBR-32)
Beograd (VPBR-33)
Podgorica (VPBR-34)

Ukrainian Navy[]

Hetman Sahaydachniy (F130)
Krasny Vympel (F131)
Hetman Bayda Vyshnevetsky (F132)