The Norman Transcript

Nation/World

March 9, 2014

Lost in flight: Why Malaysia Airlines jet might have disappeared

(Continued)

NEW YORK —

Airplane crashes typically occur during takeoff and the climb away from an airport, or while coming in for a landing, as in last year’s fatal crash of an Asiana Airlines jet in San Francisco. Just 9 percent of fatal accidents happen when a plane is at cruising altitude, according to a statistical summary of commercial jet airplane accidents done by Boeing.

Capt. John M. Cox, who spent 25 years flying for US Airways and is now CEO of Safety Operating Systems, said that whatever happened to the Malaysia Airlines jet, it occurred quickly. The problem had to be big enough, he said, to stop the plane’s transponder from broadcasting its location, although the transponder can be purposely shut off from the cockpit.

One of the first indicators of what happened will be the size of the debris field. If it is large and spread out over tens of miles, then the plane likely broke apart at a high elevation. That could signal a bomb or a massive airframe failure. If it is a smaller field, the plane probably fell from 35,000 feet intact, breaking up upon contact with the water.

“We know the airplane is down. Beyond that, we don’t know a whole lot,” Cox said.

The Boeing 777 has one of the best safety records in aviation history. It first carried passengers in June 1995 and went 18 years without a fatal accident. That streak came to an end with the July 2013 Asiana crash. Three of the 307 people aboard that flight died. Saturday’s Malaysia Airlines flight carrying 239 passengers and crew would only be the second fatal incident for the aircraft type.

“It’s one of the most reliable airplanes ever built,” said John Goglia, a former member of the U.S. National Transportation Safety Board.

Some of the possible causes for the plane disappearing include:

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