Secretary Of State’s USAF C-40 Grounded By Mechanical Issue

U.S. Air Force Boeing C-40B/C. Photo: USAF
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Key Takeaways:

  • U.S. Secretary of State Antony Blinken's military-modified Boeing 737 experienced a critical oxygen leak in Davos, Switzerland, just before its scheduled departure.
  • The mechanical issue forced Blinken and his party to switch to an alternative aircraft and commercial flights to return to Washington.
  • The aircraft is presumed to be an Air Force C-40B/C, a specialized version of the Boeing 737-700/800 designed for distinguished visitor transport and advanced communication capabilities.
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The military-modified Boeing 737 carrying U.S. Secretary of State Antony Blinkin experienced what officials described as a critical oxygen leak, just before its scheduled departure for Washington from the global summit in Davos, Switzerland. Blinken and his party were forced to take another aircraft home from Zurich. A State Department spokesperson told reporters the aircraft had suffered “a mechanical issue.”

CNN reported that a “smaller aircraft” transported Blinken and some members of his staff. Remaining staff members returned home on commercial flights.

The 737 is presumably an Air Force C-40B/C, described as a modified version of the 737-700, but with the wings and landing gear of the 737-800, winglets, auxiliary fuel tanks and “a specialized interior with self-sustainment features and managed passenger communications.” It was not clear whether Blinken’s C-40 was the B or C model, the former of which is equipped with broadband data/video transmit-and-receive capability and clear-and-secure voice and data communication. According to the Air Force, “It gives combatant commanders the ability to conduct business anywhere around the world using on-board internet and local area network connections, improved telephones, satellites, television monitors, and facsimile and copy machines.” The C-40B variant is also equipped with a computer-based passenger data system. The C-40C variant can be configured to carry between 42 and 111 passengers, depending on the mission.

The basic C-40 interior includes a crew rest area, “distinguished visitor” compartment with berthing seats, two galleys and business-class seating, according to the Air Force.

Blinken was expected back in Washington later today (Jan. 17).

Mark Phelps

Mark Phelps is a senior editor at AVweb. He is an instrument rated private pilot and former owner of a Grumman American AA1B and a V-tail Bonanza.
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