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Monday, June 09, 2008

B2 bomber crash caused by wet sensors


Air Force investigators say moisture clogged a B-2 bomber's sensors, causing the February crash of the $1.4 billion aircraft in Guam.

The Air Force's Air Combat Command issued a report this week blaming the crash on three of the plane's 24 sensors being rendered inoperative due to moisture and feeding bad information to the on-board computer about the craft's altitude and speed, The Air Force Times reported Saturday.

The B-2 crashed during takeoff from Andersen Air Force Base in Guam when its computer mistakenly thought the plane was pointed down, generating a command for the nose to suddenly jerk up and causing its left wing to scrape the runway, the military publication reported. The two pilots couldn't regain control of the bomber and ejected safely.

Part of the problem was the high humidity in Guam. The report said technicians had believed they had corrected for the moisture problem but it proved not to be the case.

Source
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