Kuala Lumpur: Malaysian authorities are probing new information that the missing plane with 239 people on board dropped to an altitude of 5,000 feet or possibly lower to evade radar detection after it turned back midair. Investigators are poring over the Boeing 777 flight MH370 profile to determine if it had flown low and used “terrain masking” during most of the eight hours it was missing from the radar coverage of possibly at least three countries, the New Straits Times reported today.
The officials are looking at the possibility whether the plane -with 239 people on board including five Indians and one Indian-Canadian - had taken advantage of the busy airways over the Bay of Bengal and avoided suspicion of military radars. “The person who had control over the aircraft has a solid knowledge of avionics and navigation, and left a clean track. It passed low over Kelantan, that was true,” the paper quoted officials as saying.
The plane “would appear to be just another commercial aircraft on its way to its destination,” it said. “It's possible that the aircraft had hugged the terrain in some areas, that are mountainous to avoid radar detection.” This technique is called terrain masking and is used by military pilots to fly to their targets stealthily, using the topography to mask their approach from prying microwaves.
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