HMS ''Amazon'' was the first

Type 21 frigate The Type 21 frigate, or ''Amazon''-class frigate, was a British Royal Navy general-purpose escort that was designed in the late 1960s, built in the 1970s and served throughout the 1980s into the 1990s. Development In the mid-1960s, the Royal Na ...

of the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by Kingdom of England, English and Kingdom of Scotland, Scottish kings from the early medieval period, the first major maritime engagements were foug ...

. Her keel was laid down at the

Vosper Thornycroft VT Group is a privately held United States defense and services company, with its origins in a former British shipbuilding group, previously known as Vosper Thornycroft. The British part of VT Group was integrated into Babcock International in t ...

shipyard in

Southampton Southampton () is a port City status in the United Kingdom, city in the ceremonial county of Hampshire in southern England. It is located approximately south-west of London and west of Portsmouth. The city forms part of the South Hampshire, S ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...

. The ship suffered a fire in the Far East in 1977, drawing attention to the risk of building warships with

aluminium Aluminium (aluminum in AmE, American and CanE, Canadian English) is a chemical element with the Symbol (chemistry), symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately o ...

superstructure.

Design

The Type 21 frigates were intended as a class of general purpose frigates to replace the diesel-powered frigates of the and es, and to maintain the Royal Navy's frigate numbers until the specialist anti-submarine ships of the Type 22 class could enter service. The contract for the design of the class was placed with the commercial shipbuilder

, with the intent that the design would be cheaper than those produced by the Royal Navy's own design staff, while being attractive for export buyers. ''Amazon'' was long overall and

between perpendiculars Length between perpendiculars (often abbreviated as p/p, p.p., pp, LPP, LBP or Length BPP) is the length of a ship along the summer load line from the forward surface of the stem, or main bow perpendicular member, to the after surface of the stern ...

, with a

beam Beam may refer to: Streams of particles or energy * Light beam, or beam of light, a directional projection of light energy ** Laser beam * Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized g ...

of and a maximum draught of . Design

displacement Displacement may refer to: Physical sciences Mathematics and Physics *Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...

was normal and full load. She was powered by two

Rolls-Royce Olympus The Rolls-Royce Olympus (originally the Bristol B.E.10 Olympus) was the world's second two-spool axial-flow turbojet aircraft engine design, first run in May 1950 and preceded only by the Pratt & Whitney J57, first-run in January 1950. It is ...

TM3B

gas turbine A gas turbine, also called a combustion turbine, is a type of continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas generator or core) and are, in the directio ...

s rated at a total of and two

Rolls-Royce Tyne The Rolls-Royce RB.109 Tyne is a twin-shaft turboprop engine developed in the mid to late 1950s by Rolls-Royce Limited to a requirement for the Vickers Vanguard airliner. It was first test flown during 1956 in the nose of a modified Avro Li ...

s rated at a total of in a Combined gas or gas (COGOG) arrangement, giving a speed of when powered by the Olympuses and when powered by the Tynes. As built, armament consisted of a single 4.5 inch Mark 8 naval gun forward, and a four-round launcher for the

Sea Cat Seacat was a British short-range surface-to-air missile system intended to replace the ubiquitous Bofors 40 mm gun aboard warships of all sizes. It was the world's first operational shipboard point-defence missile system, and was designed so tha ...

surface-to-air missile A surface-to-air missile (SAM), also known as a ground-to-air missile (GTAM) or surface-to-air guided weapon (SAGW), is a missile designed to be launched from the ground to destroy aircraft or other missiles. It is one type of anti-aircraft syst ...

aft, backed up by two 20mm cannon. A hangar and flight deck for a single light helicopter, intended to be the new

Westland Lynx The Westland Lynx is a British multi-purpose twin-engined military helicopter designed and built by Westland Helicopters at its factory in Yeovil. Originally intended as a utility craft for both civil and naval usage, military interest led to ...

(although ''Amazon'' was first equipped with a

Westland Wasp The Westland Wasp is a small 1960s British turbine powered, shipboard anti-submarine helicopter. Produced by Westland Helicopters, it came from the same P.531 programme as the British Army Westland Scout, and is based on the earlier piston-e ...

as the Lynx had not yet entered service). A Type 992Q surface/air search and target indication radar was fitted, together with a Type 978 navigation radar. Two Type 912 fire control radars (the Italian Selenia RTX-10X) directed the ship's gun and the Seacat, while a Type 184M medium range search sonar and a Type 162M bottom search sonar (modernised versions of the sonars used on the ''Leander''-class) were fitted. Later ships of the class completed with four

Exocet The Exocet () is a French-built anti-ship missile whose various versions can be launched from surface vessels, submarines, helicopters and fixed-wing aircraft. Etymology The missile's name was given by M. Guillot, then the technical directo ...

anti-ship missiles forward, and two triple tubes for United States USN/NATO-standard Mark 44 or

Mark 46 torpedo The Mark 46 torpedo is the backbone of the United States Navy's lightweight anti-submarine warfare torpedo inventory and is the NATO standard. These aerial torpedoes are designed to attack high-performance submarines. In 1989, an improvement p ...

es, but ''Amazon'' did not receive Exocet until 1984–1985.

Construction

''Amazon'', the first of her class, was ordered on 26 March 1969. She was

laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one ...

Woolston, Southampton Woolston is a suburb of Southampton, Hampshire, located on the eastern bank of the River Itchen. It is bounded by the River Itchen, Sholing, Peartree Green, Itchen and Weston. The area has a strong maritime and aviation history. The forme ...

shipyard on 6 November 1969 and was launched by

Princess Anne Anne, Princess Royal (Anne Elizabeth Alice Louise; born 15 August 1950), is a member of the British royal family. She is the second child and only daughter of Queen Elizabeth II and Prince Philip, Duke of Edinburgh, and the only sister of Ki ...

on 26 April 1971. Construction was slow, and ''Amazon'' was not completed until 11 May 1974, at a cost of £16.8 million.

Royal Navy Service

In June 1977 ''Amazon'' took part in the

Fleet Review A fleet review or naval review is an event where a gathering of ships from a particular navy is paraded and reviewed by an incumbent head of state and/or other official civilian and military dignitaries. A number of national navies continue to ...

, of the Royal Navy at

Spithead Spithead is an area of the Solent and a roadstead off Gilkicker Point in Hampshire, England. It is protected from all winds except those from the southeast. It receives its name from the Spit, a sandbank stretching south from the Hampshir ...

in celebration of HM the Queen's Silver Jubilee,Official Souvenir Programme, 1977. ''Silver Jubilee Fleet Review'', HMSO while in July she carried out successful trials with the Lynx helicopter. In November 1977 ''Amazon'' suffered serious engine room fire caused by a fuel leak when near

Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...

. Ladders made of aluminium alloy melted in the fire, making it difficult to respond, which was one of the reasons why use of aluminum as a construction material for warships went out of fashion with the Royal Navy. From 1978 ''Amazon''s Wasp helicopter was replaced by a Lynx. In December 1980 the ship struck a coral pinnacle off

Belize Belize (; bzj, Bileez) is a Caribbean and Central American country on the northeastern coast of Central America. It is bordered by Mexico to the north, the Caribbean Sea to the east, and Guatemala to the west and south. It also shares a wa ...

. ''Amazon'' was the only unit of her class to not participate in the

Falklands War The Falklands War ( es, link=no, Guerra de las Malvinas) was a ten-week undeclared war between Argentina and the United Kingdom in 1982 over two British dependent territories in the South Atlantic: the Falkland Islands and its territori ...

, as she was in the

Persian Gulf The Persian Gulf ( fa, خلیج فارس, translit=xalij-e fârs, lit=Gulf of Fars, ), sometimes called the ( ar, اَلْخَلِيْجُ ٱلْعَرَبِيُّ, Al-Khalīj al-ˁArabī), is a mediterranean sea in Western Asia. The bo ...

at the time, although she carried out a patrol in the South Atlantic in August–November 1982. By the mid-1980s the surviving Type 21s were suffering cracking in the hull and so she was taken in for refitting, with a steel plate being welded down each side of the ship. At the same time modifications were made to reduce hull noise. Four

launchers were also fitted in 'B' position, the last of the class to be so fitted.

Pakistan Navy Service

''Amazon'' decommissioned and was sold to

Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...

on 30 September 1993, being renamed PNS Babur. Exocet was not transferred to Pakistan and ''Babur'' had her obsolete Sea Cat launcher removed. Two quadruple

Harpoon A harpoon is a long spear-like instrument and tool used in fishing, whaling, sealing, and other marine hunting to catch and injure large fish or marine mammals such as seals and whales. It accomplishes this task by impaling the target animal ...

missile launchers were fitted in place of the Exocet launchers.

Signaal Thales Nederland B.V. (formerly Hollandse Signaalapparaten B.V. or in short Signaal) is a subsidiary of the French multinational company Thales Group based in the Netherlands. The firm was founded as ''NV Hazemeyer's Fabriek van Signaalapparaten ...

DA08 air search radar replaced the Type 992 and SRBOC chaff launchers and 20 mm and 30 mm guns were fitted. On 3 August 2011, a video surfaced on the Internet reportedly showing ''Babur'' brushing against the Indian frigate in the

Gulf of Aden The Gulf of Aden ( ar, خليج عدن, so, Gacanka Cadmeed 𐒅𐒖𐒐𐒕𐒌 𐒋𐒖𐒆𐒗𐒒) is a deepwater gulf of the Indian Ocean between Yemen to the north, the Arabian Sea to the east, Djibouti to the west, and the Guardafui Chan ...

during the rescue of hostages on-board merchant vessel MV'' Suez'' in June. After serving 22 years of military service, Babur was retired and decommissioned from service in December 2014.

Commanding officers

HMS Amazon (F 169) during Exercise RIMPAC 86

References

Publications

* * * * * * * * {{DEFAULTSORT:Amazon (F169) Type 21 frigates 1971 ships Frigates of the Pakistan Navy