What: Metal fatigue is "like a time bomb, and you never know when it will go off," said John Galipault, head of the Aviation Safety Institute in Worthington, Ohio. .......A comment about the unpredictability of metal failure in a 1985 LA Times article on metal fatigue. The broader problems is older planes that have gone through many take offs and landings and thus many cabin pressurizations and de-pressurizations. On average this occurs with planes that have many short flights and thus many take offs and landings. Think short hop flights, Houston to Dallas, vs long haul, Sydney to Los Angeles. The ratio of flight time to take/landings is much higher in the long haul flights.

Writer: LucretiaGermanica

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Date: Apr 11 2011 1:03 AM