Primary function
Ground Surveillance
Contractor
Boeing 707-300 series aircraft, modified by Northrop Grumman
Crew
Standard mission crew of 21 comprising 18 operators and 3 flight crew
Long endurance crew of 34 comprising 28 operators and 6 flight crew
Engines
Four JT3D engines
Weights
Empty: 171,000 pounds
Max takeoff: 336,000 pounds
Dimensions
Wingspan: 145'9"
Length: 152'11"
Height: 42'6"
Performance
Max speed: .84 Mach
Ceiling: 42,000 feet
Operating radius
11 hours -- 20 hours with air refueling
Radar 24 feet length antenna, side looking, phased array. Housed in canoe shaped radome under forward fuselage aft of the nose landing gear, Scanned electronically in azimuth, Scanned mechanically in elevation from either side of the aircraft.
Radar operating modes
Wide area surveillance
Fixed target indication
Synthetic aperture radar
Moving target indicator
Target classification
