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    Boeing KC-46 Pegasus In-flight Refueler / Aerial Tanker Aircraft (2018)

    Boeing KC-46 Pegasus In-flight Refueler / Aerial Tanker Aircraft (2018)

    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.

    Picture of Boeing KC-46 Pegasus

    Staff Writer (4/25/2016): 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.

    In the second round of fighting, Boeing resubmitted their KC-767 while EADS - now going it alone without Northrop Grumman support - once again delivered their Airbus A330 proposal. The original selection was overturned in favor of the American-based KC-767 which was formally selected as the winner on February 24th, 2011. For the USAF inventory, the KC-767 is redesignated as the "KC-46A" and, at its core, remains essentially a modernized and militarized version of the original Boeing 767 passenger airliner that began service back in 1982. However, the KC-46 will bring along a new KC-10 style refueling boom as well as cockpit features of the new Boeing 787 "Dreamliner". The initial phase of the KC-46 program will include an "Engineering and Manufacturing Development" portion with a first flight scheduled for sometime in 2014. The USAF intends on procuring some 179 total KC-46 aerial refueling tankers for its current inventory, allowing the release of many of its KC-135 Stratotankers (803 produced since 1957).

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    Technical Specifications:
    Boeing KC-46 Pegasus
    In-flight Refueler / Aerial Tanker Aircraft


    Focus Model: Boeing KC-767A
    Origin: United States
    Manufacturer: The Boeing Company - USA
    Service Entry: 2018
    Production Total: 179
    Crew: 3


    Length: 159.12 ft (48.5 m)
    Width: 156.17 ft (47.60 m)
    Height: 51.84ft (15.80 m)
    Weight (Empty): 181,610 lb (82,377 kg)
    Weight (MTOW): 412,000 lb (186,880 kg)


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


    Maximum Speed: 569 mph (915 kmh; 494 kts)
    Maximum Range: 7,581 miles (12,200 km)
    Service Ceiling: 40,026 ft (12,200 m; 7.6 miles)
    Rate-of-Climb: 0 feet-per-minute (0 m/min)


    Hardpoints: 0
    Armament Suite:

    KC-46 - Base Series Designation

    EMD-2 - Prototype Model

    KC-46A - Initial Production Model Designation

    Japan; United States