U.S. Air Force KC-46 Pegasus


The KC-46 is the first phase in recapitalizing the U.S. Air Force's aging tanker fleet. With greater refueling, cargo and aeromedical evacuation capabilities compared to the KC-135, the KC-46 will provide next generation aerial refueling support to Air Force, Navy, Marine Corps and partner-nation receivers. At full operational capability, the KC-46 will be able to refuel most fixed-wing, receiver-capable aircraft. The KC-46 is equipped with a refueling boom driven by a fly-by-wire control system, and is capable of fuel offload rates required for large aircraft. Its hose and drogue system adds additional mission capability that is independently operable from the refueling boom system.



  • The KC-46 is not strictly a refueler aircraft; it can also provide cargo and aeromedical evacuation capabilities for mission support.
  • The KC-46 accommodates three times more cargo pallets, up to twice as many passengers, and about 30% more aeromedical evacuation patients than the KC-135 aircraft it is replacing for the Air Force.
  • The KC-46’s large cargo door and cargo rollers enable rapid mission reconfiguration from cargo mode to passenger/medevac modes in two hours.


Engine: Two Pratt & Whitney 4062 Engines

Thrust: 62,000 pounds

Wingspan: 156 feet, 1 inch
Length: 159 feet, 2 inches
Height: 51 feet, 9 inches
Speed: 570 mph
Range: 7,350 nautical miles

Ceiling: 40,100 feet
Maximum Takeoff Weight: 415,000 pounds

Fuel Capacity: 212,300 pounds fuel

Crew: 15 personnel, including 5 aeromedical evacuation aircrew

Unit Cost: $173 million (fiscal 98 constant dollars)

Inventory:  179


Website: https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104537/kc-46a-pegasus/