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TURBULENCE MAY HAVE CAUSED AIRLINER CRASH

SHARE TURBULENCE MAY HAVE CAUSED AIRLINER CRASH

Investigators are looking at atmospheric turbulence during the difficult approach to Tegucigalpa's airport as a possible cause of a plane crash that killed 131 people, sources close to the probe say.

Some sources say an atmospheric phenomenon called a "rolling wave," which can occur when wind whistles over mountains, could have created a severe downdraft or turbulence that left the plane 1,800 feet below its assigned altitude before Saturday's crash.