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      Grumman A-6 Intruder 
      
        
      One of the finest all-weather attack 
      planes of the US Navy, the Grumman A-6 Intruder is still in front line 
      service, in increasingly up-to-date versions, particularly as regards 
      electronics and armament. In 1957 the Grumman emerged as the winner in 
      competition with eleven other rival designs entered by eight companies. 
      The first prototype flew on April 19, 1960, and the first A-6A of the 
      series went into service on February 1, 1963; 488 of them were built by 
      the end of 1969. The second basic version was designed exclusively for 
      electronic warfare. Named EA-6B (and stemming from an initial sub-series 
      of 27 models), the prototype appeared on May 25, 1968; the fuselage and 
      cabin were modified to accommodate four crew members as well as a highly 
      sophisticated electronics system, so that it was soon recognized as the 
      best carrier-based aircraft for this type of warfare. The final variant of 
      the Intruder was the A-6E, dating from February 1970, even further 
      improved and more powerful. 
      
      When it first went into action in 
      Southeast Asia, the Grumman A-6A Intruder was the most modern and 
      sophisticated warplane then operating from the US fleet's aircraft 
      carriers. Thanks to its advanced electronic equipment, it was a plane 
      capable of spotting and attacking an objective, even one as small as a 
      truck or a tank, if necessary in poor light or even at night. As the war 
      spread, Intruders were used in ever greater numbers, often as escorts to 
      A-4 Skyhawks, homing in on the target with greater effectiveness. Other 
      variants of the Grumman A-6 went into production, notably the one 
      specialized in electronic warfare. This type of plane suffered relatively 
      heavy losses, 51 machines being shot down by enemy fighters or 
      anti-aircraft, and eleven as a result of operational accidents. The 
      intruder is still one of the best all-weather attack aircraft in the US 
      Navy. 
      
        
      
        
      
        
      Technical Specifications 
      
      Aircraft: 
      Grumman A-6A 
      Year: 1960 
      Type: attack 
      Manufacturer: Grumman Aircraft Engineering Corp. 
      Engine: 2 x Pratt & Whitney J52P-8A 
      Power: 9,300 lb (4,218 kg) 
      Wingspan: 53ft (16.15m) 
      Length: 54ft 7in (16.64m) 
      Height: 15ft 7in (4.75m) 
      Wing area: 529sq ft (49.15mē) 
      Max take-off weight: 60,626 lb (27,500 kg) 
      Empty weight: 25,684 lb (11,650 kg) 
      Max speed at sea level: 685mph (1, 102km/h) 
      Service ceiling: 41,660ft (12,700m) 
      Range: 1,920mi (3,090km) 
      Crew: 2 
      Load-armament: 15,000 lb (6,804 kg) 
      
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