E-2 Hawkeye


E-2C_Hawkeye_and_Mount_Fuji.jpgThe Grumman E-2 Hawkeye is an American all-weather, aircraft carrier-capable tactical Airborne Early Warning (AEW) aircraft. This twin-turboprop airplane was designed and developed during the late 1950s and early 1960s by the Grumman Aircraft Company for the U.S. Navy as a replacement for the earlier E-1 Tracer, which was rapidly becoming obsolete.

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E-2 performance has been upgraded with the E-2B, and E-2C versions, where most of the changes were made to the radar and radio communications due to advances in electronic integrated circuits and other electronics. The fourth version of the Hawkeye is the E-2D, which first flew in 2007.

The E-2 also received the nickname “Super Fudd” because it replaced the E-1 Tracer “Willy Fudd.” In recent decades, the E-2 has been commonly referred to as the “Hummer” because of the distinctive sounds of its turboprop engines, quite unlike that of turbojet and turbofan jet engines. The E-2 and its sister, the C-2 Greyhound, are currently the only propeller airplanes that operate from aircraft carriers. In addition to U.S. Navy service, smaller numbers of E-2s have been sold to the armed forces of Egypt, France, Israel, Japan, Singapore, and Taiwan.

General characteristics of the E-2 Hawkeye

  • Crew: Five: two pilots, combat information center officer, the air control officer, and the radar operator
  • Length: 57 ft 7 in (17.56 m)
  • Wingspan: 80 ft 7 in (24.58 m)
  • Height: 18 ft 3 in (5.6 m)
  • Wing area: 700 ft² (65 m²)
  • Empty weight: 37,678 lb (18,090 kg)
  • Loaded weight: 40,200 lb (18,090 kg)
  • Max takeoff weight: 53,000 lb (23,850 kg)
  • Power plant: 2× Allison T56-A-425 or -427 turboprop, 5,100 shp (-427) (3,800 kW) each

E-2 Hawkeye Performance

  • Maximum speed: 300+ knots (375 mph, 552 km/h)
  • Ferry range: 1,525 nmi (2,824 km)
  • Service ceiling: 30,000 ft (9,100 m)
  • Rate of climb: 2,515 ft/min (13 m/s)
  • Wing loading: 72.7 lb/ft² (355 kg/m²)
  • Power/mass: 0.19 hp/lb (0.32 kW/kg)