READ MORE: Malaysia Airlines flight MH370: how can a jet just disappear?īut within the last decade, a new form of tracking has gained popularity: Automatic dependent surveillance-broadcast, or ADS-B. When this type of radar scans the airspace and makes contact with an airplane, a signal is then sent back from a transponder, giving not only the plane’s location, but data like altitude and speed. Secondary radar, is most commonly used by air traffic controllers. Primary radar is the traditional radar that scans the airspace, often used by military. The transponder sends signals to receivers, including radar used by air traffic controllers and a malfunction or deliberate shut-off would have made it disappear from two kinds of tracking systems. The plane’s transponder could have either been shut off or an electrical malfunction may have caused it to stop transmitting.
With no debris found yet, authorities have not ruled out any possible cause, including mechanical failure, pilot error, sabotage or terrorism. But they have also said search operations were ongoing in the Malacca strait. In a statement, Daud denied saying the remarks, and referred to a statement he made March 9 in which he said the air force has “not ruled out the possibility of an air turn back” and said search and rescue efforts had been expanded in this regard.Īuthorities began their search for the missing aircraft at the position it was last reported to be over the sea between Malaysia and Vietnam. The Associated Press contacted a high-level military official, who confirmed the remarks. Rodzali Daud was quoted as saying in local media report Tuesday that the military had radar data showing the plane had turned back from its original course, crossed the country and made it to the Strait of Malacca to the west of Malaysia. The statement suggested continued confusion over where the Boeing 777 might have ended up, more than four days after it disappeared en route to Beijing from Kuala Lumpur with 239 people on board.Īir force chief Gen. KUALA LUMPUR, Malaysia – The missing Malaysian jetliner may have attempted to turn back before it vanished from radar, but there is no evidence it reached the Strait of Malacca, the country’s air force chief said Wednesday, denying reported remarks he said otherwise. WATCH: There are more questions than answers following the Malaysian military’s denial about a possible location of the missing plane. Send this page to someone via email email.
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