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  • Boeing KC-46 Pegasus In-flight Refueler / Aerial Tanker Aircraft

    The Boeing KC-45 beat out the EADS Airbus 330 submission the second time around to win the KC-X tanker competition for the United States Air Force.

     Updated: 5/30/2017; Authored By Staff Writer; Content ¬©www.MilitaryFactory.com

    The Boeing KC-46 was selected to replace the aging line of Boeing KC-135 "Stratotankers" through the KC-X program - a competition initially won by EADS/Northrop Grumman. The KC-46 will be a fully-modernized aerial tanker primarily utilized by the United States Air Force and is expected to enter service within the next five years in quantitative numbers. The KC-46 airframe will feature new technologies as found on the Boeing 787 Dreamliner passenger airliner as well as qualities akin to heavy service military transport aircraft. This will allow the KC-46 the ability undertake roles beyond refueling such as cargo transport and MEDEVAC. The aircraft is expected to service multiple fixed-wing types from the USAF, USN and USMC as well as NATO and US-allied nations including large strategic bomber types such as the Boeing B-52 "Stratofortress".

    When an initial USAF initiative to acquire Boeing KC-767s aerial tankers fell aground in 2003, a new endeavor was born to develop a new dedicated tanker aircraft through the "KC-X" program in 2006. Both Boeing and EADS/Northrop (on behalf of Airbus) threw their hats into the ring in the hopes of netting the lucrative long-term $40 billion defense contract. Boeing eventually offered their KC-767 while EADS/Northrop delivered their A330 MRTT (this as the "KC-30"). The United States Department of Defense formally selected the EADS/Northrop A330 MRTT/KC-30 proposal and marked the type for development as the "KC-45A" in February of 2008.

    The selection of the French Airbus 330 spurred Boeing to action to which the American concern filed a formal protest to American authorities and took their outrage to the public square to help gain a larger audience of favor. The US Government Accountability Office (GAO), citing several miscalculations on the part of the USAF during the initial proposal review and subsequent selection, sided with Boeing and restarted the KC-X bidding process anew.

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    Boeing KC-767A Technical Specifications

    Service Year: 2018
    Type: In-flight Refueler / Aerial Tanker Aircraft
    National Origin: United States
    Manufacturer(s): The Boeing Company - USA
    Production Total: 179

    Structural (Crew Space, Dimensions and Weights)

    Operating Crew: 3
    Length: 159.12 feet (48.5 meters)
    Width: 156.17 feet (47.60 meters)
    Height: 51.84 feet (15.80 meters)

    Weight (Empty): 181,610 lb (82,377 kg)
    Weight (MTOW): 412,000 lb (186,880 kg)

    Installed Power and Standard Day Performance

    Engine(s): 2 x General Electric GE CF6-80C2 turbofan engines developing 60,200 lb of thrust each.

    Maximum Speed: 569 mph (915 kph; 494 knots)
    Maximum Range: 7,581 miles (12,200 km)
    Service Ceiling: 40,026 feet (12,200 meters; 7.58 miles)

    Armament / Mission Payload


    Global Operators / Customers

    Japan; United States

    Model Variants (Including Prototypes)

    KC-46 - Base Series Designation

    EMD-2 - Prototype Model

    KC-46A - Initial Production Model Designation