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Accident description
Last updated: 20 May 2018
Date:Wednesday 22 July 1959
Time:ca 02:00
Type:Boeing KC-97G Stratofreighter
Operator:United States Air Force - USAF
Registration: 52-2703
C/n / msn: 16734
First flight:
Crew:Fatalities: 7 / Occupants: 7
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 7 / Occupants: 7
Airplane damage: Damaged beyond repair
Location:2 km (1.3 mls) S of Andover, NH (   United States of America)
Phase: Unknown (UNK)
Departure airport:Portsmouth-Pease AFB, NH (PSM/KPSM), United States of America
Destination airport:Portsmouth-Pease AFB, NH (PSM/KPSM), United States of America
The KC-97G air tanker was operating on a night time training mission of the 509th Air Refuelling Squadron out of Pease AFB. The crew of another KC-97 flying behind the accident airplane reported seeing flames on the left wing while at an altitude of 15.000 feet. The airplane fell to the left and descended until it struck the ground.
The cause of the accident was a turbocharger bearing failure which caused it to come apart and rupture fuel lines or cells.

» Gettysburg Times - Jul 22, 1959
» The Victoria Advocate - Jul 23, 1959
» Colin R. Smith (E-mail, 9-8-2011)


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This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Boeing C-97

  • 888 built
  • 17th loss
  • 13th fatal accident
  • 7th worst accident (at the time)
  • 9th worst accident (currently)
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