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Grumman E-2 Hawkeye
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{{Short description|Airborne early warning and control aircraft}} {{Use mdy dates|date=August 2013}} {{Infobox aircraft |name= E-2 Hawkeye |image= File:E-2D Advanced Hawkeye aircraft conduct a test flight.jpg |image_caption= An E-2D Advanced Hawkeye conducts a [[flight test]] |aircraft_type= [[Airborne early warning and control]] |national_origin= United States |manufacturer= [[Grumman]] <br />[[Northrop Grumman]] |designer= |first_flight= 21 October 1960 |introduction= January 1964 |retired= |status= In service |primary_user= [[United States Navy]] |more_users= See {{section link||Operators}} |produced= 1960โpresent |number_built= 313 (total); 88 (E-2D)<ref>{{cite web |url=http://www.deagel.com/Support-Aircraft/E-2D-Advanced-Hawkeye_a000554003.aspx |title=E-2 Hawkeye total production |url-status=dead |access-date=April 21, 2020 |archive-url=https://web.archive.org/web/20190916022002/http://www.deagel.com/Support-Aircraft/E-2D-Advanced-Hawkeye_a000554003.aspx |archive-date=September 16, 2019 }}</ref> |developed_from= |variants= |developed_into= [[Grumman C-2 Greyhound]] }} The '''Northrop Grumman E-2 Hawkeye''' is an American all-weather, [[carrier-based aircraft|carrier-capable]] tactical [[Airborne early warning and control|airborne early warning]] (AEW) aircraft. This twin-[[turboprop]] aircraft was designed and developed during the late 1950s and early 1960s by the [[Grumman|Grumman Aircraft Company]] for the [[United States Navy]] as a replacement for the earlier, piston-engined [[E-1 Tracer]], which was rapidly becoming obsolete. The aircraft's performance has been upgraded with the E-2B and E-2C versions, where most of the changes were made to the [[radar]] and [[radio communication]]s due to advances in [[electronics|electronic]] [[integrated circuit]]s and other electronics. The fourth major version of the Hawkeye is the '''E-2D''', which first flew in 2007. The E-2 was the first aircraft designed specifically for AEW, as opposed to a modification of an existing airframe, such as the [[Boeing E-3 Sentry]]. Variants of the Hawkeye have been in continuous production since 1960, giving it the longest production run of any carrier-based aircraft. The E-2 also received the nickname "Super Fudd"<ref>Koppmann, George C., ''Carrier Airborne Early Warning''. George C. Koppmann (LT, USNR โ inactive) home page. [http://www.caew.info/] {{Webarchive|url=https://web.archive.org/web/20061208063633/http://www.caew.info/|date=December 8, 2006}} Retrieved: 13 December 2006.</ref> because it replaced the WF (later E-1) "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. In addition to U.S. Navy service, smaller numbers of E-2s have been sold to the armed forces of [[Egypt]], [[France]], [[Israel]], [[Japan]], [[Mexico]], [[Singapore]] and [[Taiwan]]. Grumman also used the basic layout of the E-2 to produce the [[Grumman C-2 Greyhound]] cargo aircraft.
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