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| Eurofighter CAPTOR | |
|---|---|
| Name | Eurofighter CAPTOR |
| Type | Pulse-Doppler radar |
| Manufacturer | Leonardo S.p.A.; previously SELEX Galileo |
| Firstflight | 1990s (prototype installations) |
| Introduced | 2003 (operational installations) |
| Primary user | Royal Air Force; Italian Air Force; German Air Force; Spanish Air Force |
| Status | In service |
Eurofighter CAPTOR is the primary radar family developed for the Eurofighter Typhoon programme, integrating mechanical scanning and, in later forms, active electronically scanned array technology. The system evolved through multinational collaboration among United Kingdom, Italy, Germany, and Spain defence industries and research institutions to meet requirements set by the NATO-member air arms participating in the Eurofighter consortium. CAPTOR supports air-to-air and air-to-ground missions alongside avionics suites, weapons integration, and electronic warfare systems fielded on the Typhoon.
The CAPTOR programme originated from multinational requirements coordinated by the Eurofighter Management Agency and participating air ministries in UK MoD, Ministero della Difesa (Italy), Bundesministerium der Verteidigung, and Ministerio de Defensa (Spain) during the late Cold War and post-Cold War era. Early research engaged defence contractors including Ferranti, BAe Systems, Marconi Electronic Systems, and later consolidated groups such as Selex ES and Leonardo S.p.A., with technology inputs from laboratories at Defence Research Agency, DLR research centres, and corporate R&D units. Program milestones involved demonstration programmes, avionics integration trials with prototype airframes at facilities like BAe Warton, and systems testing at ranges including Machrihanish Range and Albacete Air Base. Export control, industrial participation, and competition with rival radar programmes from Raytheon, Northrop Grumman, and Thales influenced procurement and upgrade pacing.
CAPTOR's architecture comprises a rotatable radar antenna, transmitter/receiver modules, signal processing units, and cooling and power subsystems housed within the Eurofighter Type 1049 nose bay. Initial CAPTOR-M employed a mechanically scanned planar array antenna paired with pulse-Doppler processing chains developed with silicon and gallium arsenide components sourced from suppliers such as Rohde & Schwarz and Analog Devices. Later CAPTOR-E integrates an active electronically scanned array (AESA) developed by Selex ES/Leonardo, featuring modular transmit/receive (T/R) tiles, advanced beamforming processors co-designed with BAE Systems and Rolls-Royce avionics partners, and system management software influenced by architectures from Pratt & Whitney avionics integrations. Subsystems interface with mission computers, helmet-mounted displays like the Striker II, data links such as Link 16, and identification systems interoperable with NATO standards and air traffic systems at bases like RAF Coningsby.
Mainline variants include CAPTOR-M (mechanically scanned) and CAPTOR-E (AESA), with interim and export derivatives developed for incremental capability improvements. Upgrade paths encompassed enhancements by Eurofighter GmbH, Finmeccanica, and subcontractors to incorporate synthetic aperture radar modes, ground moving target indication (GMTI), electronic protection suites, and interoperability with weapons such as AIM-120 AMRAAM, Meteor, IRIS-T, and precision-guided munitions from MBDA. Software-reprogrammable waveforms and hardware refreshes utilized components from Thales UK and Leonardo-Finmeccanica supply chains; future growth options consider integration with infrared search and track systems from BAE Systems Electronic Systems and sensor-fusion concepts trialled with BAE Systems Applied Intelligence.
CAPTOR entered operational service with the Royal Air Force and partner air forces as the primary sensor on early Eurofighter Typhoons deployed for Quick Reaction Alert duties at RAF Leuchars, Laage Air Base, and Gando Air Base. Fielded capabilities were demonstrated during NATO air policing missions over the Baltic Air Policing area and coalition operations supporting Operation Unified Protector and other expeditionary commitments. Maintenance and mission reliability tracking involved depot activities at contractor facilities and national support centres, with lessons learned informing CAPTOR-E upgrade prioritisation following trials conducted by Bundeswehr and Italian Air Force evaluation units.
CAPTOR-M provided long-range detection, track-while-scan, look-down/shoot-down capability, and beyond-visual-range engagement support coordinated with datalinks and IFF transponders. CAPTOR-E AESA markedly improved sensitivity, low-observable detection, electronic counter-countermeasures, and multi-mode operations including SAR/GMTI and high update-rate multi-target tracking. Performance metrics compared against contemporaneous radars from AN/APG-68, RBE2 AA, and Thales RBE2 highlighted advances in beam agility, sidelobe suppression, and mean time between failure, enabling engagement integration with Meteor and networked force elements such as E-3 Sentry and Typhoon ground control stations.
Primary operators include the Royal Air Force, Italian Air Force, Luftwaffe, and Spanish Air Force, with deployment across airbases including RAF Coningsby, Ghedi Air Base, Lechfeld Air Base, and Torrejón Air Base. Export and industrial collaboration saw involvement from partner nations' defence ministries, with multinational maintenance agreements and industrial offsets negotiated among contractors like BAE Systems, Leonardo, and Airbus Defence and Space.
CAPTOR integrates tightly with the Eurofighter Typhoon mission system, cooperating with the mission computer architecture produced by Eurofighter GmbH, defensive aids sub-system by SELEX ES/Leonardo, and cockpit systems including multi-function head-down displays used by pilots trained at units such as Operational Conversion Unit (OCU). Sensor fusion aggregates data from targeting pods like LITENING, datalinks such as Link 16, and navigation systems tied to GPS and national space assets, enabling the Typhoon to perform interdiction, air superiority, and reconnaissance missions in coalition taskings coordinated under NATO command structures.
Category:Aircraft radars