RDV 01 Crystal

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History
Naval Ensign of the United Kingdom.svgUnited Kingdom
Name:RDV 01 Crystal
Operator: Under dockyard control [1]
Ordered: December 1969 [1]
Builder: Devonport Dockyard
Launched: March 1971
Commissioned: 30 November 1971 [1]
Fate: Sold, 18 September 1992
General characteristics
Type: Research vessel
Displacement: 3,040 long tons (3,089  t) [1]
Length: 413 ft 6 in (126.03 m) [1]
Beam: 56 ft (17 m) [1]
Draught: 5 ft 6 in (1.68 m) [1]
Propulsion: None
Complement: 60 including research personnel [2]
Armament: None

RDV 01 Crystal was a research vessel of the Royal Navy. An unpowered floating platform, it was designed to be used during sonar research and development projects at the Admiralty Underwater Weapons Establishment (AUWE) at Portland Harbour, Dorset. [3] It was not fitted with any propulsion or steering gear.

Royal Navy Maritime warfare branch of the United Kingdoms military

The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by the English kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years War against the Kingdom of France. The modern Royal Navy traces its origins to the early 16th century; the oldest of the UK's armed services, it is known as the Senior Service.

Sonar technique that uses sound propagation

Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels. Two types of technology share the name "sonar": passive sonar is essentially listening for the sound made by vessels; active sonar is emitting pulses of sounds and listening for echoes. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water. Acoustic location in air was used before the introduction of radar. Sonar may also be used in air for robot navigation, and SODAR is used for atmospheric investigations. The term sonar is also used for the equipment used to generate and receive the sound. The acoustic frequencies used in sonar systems vary from very low (infrasonic) to extremely high (ultrasonic). The study of underwater sound is known as underwater acoustics or hydroacoustics.

Research and development general term for activities in connection with corporate or governmental innovation

Research and development, known in Europe as research and technological development (RTD), refers to innovative activities undertaken by corporations or governments in developing new services or products, or improving existing services or products. Research and development constitutes the first stage of development of a potential new service or the production process.

Ordered from the builders HM Dockyard, Devonport, in December 1969, it was launched in March 1971. It was sold on 18 September 1992 to a Dutch concern. [4]

HMNB Devonport operating base in the United Kingdom for the Royal Navy

Her Majesty's Naval Base, Devonport, is the largest naval base in Western Europe and is the sole nuclear repair and refuelling facility for the Royal Navy.

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References

  1. 1 2 3 4 5 6 7 Moore, John (1984). Jane's All The World's Fighting Ships. Jane's Publishing. p. 609. ISBN   0710607741.
  2. ↑ Moore, John, ed. (1974). Jane's Fighting Ships. London: Jane's Yearbooks. p. 366. ISBN   0354005065.
  3. ↑ "ADM 226/1035". The National Archives . Retrieved 29 June 2012.
  4. ↑ "RDV 01 Crystal". World Naval Ships Directory. 2012. Retrieved 29 June 2012.
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