Fri, Mar 28, 2008
Calls In Ballistics Expert To Help Find Missing Piece
The National Transportation Safety
Board is investigating an aircraft accident in which a panel from
the wing of a US Airways Boeing 757, flight 1250 en route from
Orlando, FL to Philadelphia, PA separated from the aircraft
somewhere over Maryland.
As ANN reported, on Saturday,
March 22 at about 0930 EDT a composite panel, measuring about four
feet by five feet, on the trailing edge of the upper side of the
left wing, broke lose from the aircraft and struck several of the
windows towards the rear of the aircraft. The impact caused the
outer pane of one window to crack. The inner pane was undamaged and
the pressurization of the aircraft was not compromised.
The aircraft landed in Philadelphia about 30 minutes after the
separation occurred. None of the 174 passengers or 6 crew were
injured... but because the loss of the wing panel adversely
affected the flight characteristics of the aircraft, the event has
been classified as an accident.
The wing panel has not yet been located. Safety Board
investigators are using a specialized computer program to perform a
Ballistic Trajectory Analysis with data such as the aircraft ground
track, speed, prevailing winds and other factors to create a search
area where the missing panel is most likely to be found. Once a
specific search area has been created, local authorities in the
vicinity will be notified that an aircraft part may be located in
their jurisdiction.
The cockpit voice recorder (CVR) and flight data recorder (FDR)
have arrived at the NTSB's laboratory in Washington, D.C., where
the content of each is being evaluated.
Parties to the investigation are the Federal Aviation
Administration, Boeing Commercial Airplanes, US Airways, and the
Air Line Pilots Association.
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