__NOTOC__ Blue Vixen was a British airborne

radar Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, Marine radar, ships, spacecraft, guided missiles, motor v ...

designed and built for the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against Fr ...

by Ferranti Defence Systems (later, GEC-Marconi),

Edinburgh Edinburgh ( ; gd, Dùn Èideann ) is the capital city of Scotland and one of its 32 Council areas of Scotland, council areas. Historically part of the county of Midlothian (interchangeably Edinburghshire before 1921), it is located in Lothian ...

, Scotland. It was the primary radar of later models of the

British Aerospace Sea Harrier The British Aerospace Sea Harrier is a naval short take-off and vertical landing/vertical take-off and landing jet fighter, reconnaissance and attack aircraft. It is the second member of the Harrier family developed. It first entered service ...

, replacing the

Ferranti Blue Fox __NOTOC__ The Ferranti Blue Fox was a British multi-role airborne radar designed and built for the Royal Navy by Ferranti Defence Systems in the late 1970s. It had a mixed record in service, and was replaced by the more capable Blue Vixen. Desig ...

used on earlier models of the Harrier.

Design and development

Blue Vixen was a lightweight (145 kg) multimode, coherent, pulse-Doppler I band

airborne radar Airborne or Airborn may refer to: Arts, entertainment, and media Films * ''Airborne'' (1962 film), a 1962 American film directed by James Landis * ''Airborne'' (1993 film), a comedy–drama film * ''Airborne'' (1998 film), an action film sta ...

, developed from the previous

radar, and designed for use on the

FA2. It was a multimode radar for airborne interception and air-to-surface strike roles over water and land, with

look-down/shoot-down A radar system has look-down/shoot-down capability if it can detect, track and guide a weapon to an air target that (as seen by the radar) is silhouetted against the ground. Problem and naming Airborne intercept radar relying exclusively on time ...

and look-up modes. Designed from the start to have full

AIM-120 AMRAAM The AIM-120 Advanced Medium-Range Air-to-Air Missile, or AMRAAM (pronounced ), is an American beyond-visual-range air-to-air missile (BVRAAM) capable of all-weather day-and-night operations. It is 7 inches (18 cm) in diameter, and employ ...

compatibility, it was also compatible with

Sea Eagle A sea eagle or fish eagle (also called erne or ern, mostly in reference to the white-tailed eagle) is any of the birds of prey in the genus ''Haliaeetus'' in the bird of prey family Accipitridae. Taxonomy and evolution The genus ''Haliaeetus'' ...

and

AIM-9 Sidewinder The AIM-9 Sidewinder (where "AIM" stands for "Air Intercept Missile") is a short-range air-to-air missile which entered service with the US Navy in 1956 and subsequently was adopted by the US Air Force in 1964. Since then the Sidewinder has prove ...

missiles.

Development aircraft used

Blue Vixen trials aircraft owned by Allaero

Two

British Aerospace 125 The British Aerospace 125 is a twinjet mid-size business jet. Originally developed by de Havilland and initially designated as the DH.125 Jet Dragon, it entered production as the Hawker Siddeley HS.125, which was the designation used until 1 ...

aircraft were used for the flight trial's program. The first (XW930 serial number 25009) was a Series 1 aircraft which had previously been used by the CAFU (Civil Aviation Flying Unit) before it was absorbed into the

Royal Aircraft Establishment The Royal Aircraft Establishment (RAE) was a British research establishment, known by several different names during its history, that eventually came under the aegis of the UK Ministry of Defence (MoD), before finally losing its identity in me ...

. It was equipped with a modified nose and carried out the initial development work. This was joined by the dedicated trials aircraft (a series 600 serial number 256059 registered ZF130), fitted with a replica of the Sea Harrier cockpit at the co-pilot's station as well as a Sidewinder acquisition round on a pylon beneath the starboard wing.

Aircraft fitted to

F(A).2

Operators

; *

References

*{{cite web, title=Blue Vixen radar (United Kingdom), url=http://articles.janes.com/articles/Janes-Avionics/Blue-Vixen-radar-United-Kingdom.html, work=Jane's Avionics, publisher=

Jane's Jane's Information Group, now styled Janes, is a global open-source intelligence company specialising in military, national security, aerospace and transport topics, whose name derives from British author Fred T. Jane. History Jane's Informat ...

, accessdate=7 December 2011, date=7 January 2004 Aircraft radars Ferranti Military radars of the United Kingdom Military equipment introduced in the 1990s

Design and development

Development aircraft used

Aircraft fitted to

Operators

See also

References