ATC staff in efforts to restore contact with the 370 flights at the same time, the emergence of the North Sea on the west coast of the Malaysian military airbase of an unidentified aircraft radar signals, orientation The flight disappeared in nearby locations.
radar surveillance team usually consists of an officer and three soldiers. But then the group, either failed to notice the signal, or is the decision not to be used as "zombie" mark and track. If they are identified, the relevant information will be several levels，green straws
, and may alert the Air Force Command sectors.
insider, the next night the base briefing, about 80 Air Force personnel were told, "no evidence" indicates that this unknown signal display is missing flight substantial shift, through the Malay Peninsula, then turned again toward the northwest direction away, flying the Strait of Malacca. However, investigators now believe that this is precisely the fact，party Favor Bags
either not identified in the radar data of 370 flights, or to avoid acknowledging an unidentified aircraft broke the awkward air defense refused to identify, which means that, Malaysia authorities continue Peninsula wood scraps han twilight S dragonfly M line search in Malay instead of the peninsula to the west. Military radar tracking image shows the last recorded signal is 14:22, about 200 nautical miles northwest of the base in the North Sea.
display aircraft continued flying for nearly seven hours of data front, the Malaysian authorities have failed to take action quickly. These data are a series of conventional handshake Flight 370 sent to the satellite, in order to confirm whether the aircraft is still in service area，tissue paper pom poms
Chris McLaughlin, vice president
satellite communications company Inmarsat's (Chris McLaughlin), said the aircraft lost contact within four hours, the company's technical staff to find out from the plane All flights transfer record. Next, the aircraft disappeared the day after, they began to carefully screened companies database, hoping to find clues flight 370.
"We decided to check the company's network, to see what we are not missing data," McLaughlin said. The results indeed. Inmarsat's technical staff to identify a series of short "ping signal", seems to be shaking hands with 370 flights over the Indian Ocean satellite and a ground station in Perth, Australia's.
signals from these seven, spaced one hour. This is an important clue, because the signal is only possible to get the power from the aircraft itself from an antenna. However, despite the identification signal 370 with the unique codes flight, but does not contain location data, the plane orientation that is not signaled.
to Sunday afternoon, Inmarsat's engineering team began to calculate the distance of each ping signals between satellites and airplanes emit geometric principles. They concluded that the aircraft has been a shift. But then, it could basically flying in a straight line, either toward the north and along the country's radar may be captured either direction of the Indian Ocean and Antarctica Chaoxiangna face
said the Malaysian government had received Inmarsat data on March 12，party favors
, and then spent three days together with U.S. investigators analyze and audit, on March 15 last adjusted Search direction.
to that time, more than a week has passed from the last time the satellite signal ping March 8 8:11 in the morning. This signal seems to come from the southern Indian Ocean, from the flight should have been arriving in Beijing runways, there are half a world away.
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