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JSTARS – Joint Surveillance and Target Attack Radar System


Boeing 707-300 series aircraft, modified by Northrop Grumman<br />Designation E-8A for two prototype aircraft<br />Designation E-8C fro one test aircraft and all production aircraft


Standard mission - 21 (18 operators and three flight crew)<br />Long endurance - Crew of 34 (28 operators and six flight crew)


152ft 11in


42ft 6in

Empty Weight


Weight With Maximum Fuel


Maximum Gross Weight



4 x JT3D-3B turbojet engines from Pratt &#38; Whitney


18,000lb each

Maximum Airspeed

Mach 0.84

Service Ceiling



11 hours

Range With In-Flight Fuelling

20 hours

Digital Data Links

Surveillance and Control Data Link (SCDL) for transmission to mobile ground stations<br />Joint Tactical Information DIstribution System (JTIDS) for tactical air navigation operation and Tactical Data Information Link-J (TADIL-J) generation and processing

Satellite communications link (SATCOM)

Voice Communications

12 x encrypted UHF radios<br />2 x encrypted HF radios<br />3 x VHF encrypted radios with provision for Single Channel Ground and Airbourne Radio System (SINCGARS)<br />Multiple intercom nets


24ft antenna, side-looking phased array<br />Scanned electronically in azimuth<br />Scanned mechanically in elevation from either side of the aircraft

Operating Modes

Wide area surveillance<br />Fixed target indication<br />Synthetic aperture radar<br />Moving target indicator<br />Target classification


3 x load-sharing programmable processors, each containing five high-speed, fixed-point distributed processors

Operation and Control System

1 x navigation and self defence workstation

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