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JSTARS – Joint Surveillance and Target Attack Radar System

Aircraft

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

Crew

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

Length

152ft 11in

Height

42ft 6in

Empty Weight

171,000lb

Weight With Maximum Fuel

155,000lb

Maximum Gross Weight

336,000lb

Engines

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

Thrust

18,000lb each

Maximum Airspeed

Mach 0.84

Service Ceiling

42,000ft

Range

11 hours

Range With In-Flight Fuelling

20 hours

Digital Data Links

Surveillance and Control Data Link (SCDL) for transmission to mobile ground stations
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
2 x encrypted HF radios
3 x VHF encrypted radios with provision for Single Channel Ground and Airbourne Radio System (SINCGARS)
Multiple intercom nets

System

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

Operating Modes

Wide area surveillance
Fixed target indication
Synthetic aperture radar
Moving target indicator
Target classification

Processors

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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