The Airborne Multirole Solid State Active Array Radar (AMSAR), is an Active Electronically Scanned Array

Active Electronically Scanned Array

An Active Electronically Scanned Array , also known as active phased array radar is a type of phased array radar whose transmitter and receiver functions are composed of numerous small solid-state transmit/receive modules . AESAs aim their "beam" by broadcasting radio energy that interfere...

 (AESA).

The project is a European collaborative project and is under development by the British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

/French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

/German

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 GTDAR

GTDAR

GTDAR is a European consortium for the development of the AMSAR Active Electronically Scanned Array.This organisation was named after the original partners, and is now made up of their successor companies, BAE Systems, Thales, and EADS, respectively....

 consortium. This organisation, originally (GEC-Thomson

Thomson-CSF

Thomson-CSF was a major electronics and defence contractor. In December 2000 it was renamed Thales Group.-History:In 1879 Elihu Thomson and Edwin Houston formed the Thomson-Houston Electric Company in the United States....

-DASA

DASA

DaimlerChrysler Aerospace AG, or DASA, was the former aerospace subsidiary of Daimler-Benz AG from 1989...

 Airborne Radar) is now made up of their successor companies, BAE Systems

BAE Systems

BAE Systems plc is a British multinational defence, security and aerospace company headquartered in London, United Kingdom, that has global interests, particularly in North America through its subsidiary BAE Systems Inc. BAE is among the world's largest military contractors; in 2009 it was the...

, Thales

Thales Group

The Thales Group is a French electronics company delivering information systems and services for the aerospace, defense, transportation and security markets...

, and EADS

EADS

The European Aeronautic Defence and Space Company N.V. is a global pan-European aerospace and defence corporation and a leading defence and military contractor worldwide...

, respectively.

The AMSAR project began in 1993 in a 50/50 Anglo-French programme with German technical participation.

The radar is envisaged as a replacement for;

• Typhoon's
  Eurofighter Typhoon
  The Eurofighter Typhoon is a twin-engine, canard-delta wing, multirole combat aircraft, designed and built by a consortium of three companies: EADS, Alenia Aeronautica and BAE Systems; working through a holding company, Eurofighter GmbH, which was formed in 1986...
  
   CAPTOR
  Euroradar CAPTOR
  The Euroradar CAPTOR is a next generation mechanical multi-mode pulse doppler radar designed for the Eurofighter Typhoon.The radar is produced by the Euroradar consortium and is a development of the BAE Systems Blue Vixen radar which had been developed for the BAE Sea Harrier...
  
   radar
• Rafale's RBE2
  RBE2
  The RBE2 is a multirole radar developed during the 90s for the French Rafale combat aircraft.The RBE2 uses a passive electronically scanned array ....
  
  passive electronically scanned array

It is possible the radar will be ready for the Tranche 3 Typhoons (around 2010) or, failing that, may be incorporated in a future mid life update (MLU).