At 06:14 Egyptian time (04:14 GMT), the plane failed to make scheduled contact with air traffic control based in Larnaca, Cyprus.The plane disappeared from radar screens six minutes later while flying over central Sinai. Egyptian authorities said no SOS calls were received by air traffic controllers.
At 06:14 Egyptian time (04:14 GMT), the plane failed to make scheduled contact with air traffic control based in Larnaca, Cyprus.The plane disappeared from radar screens six minutes later while flying over central Sinai. Egyptian authorities said no SOS calls were received by air traffic controllers.
Data released by the flight tracking website Flightradar24 showed that just before the radar signal was lost, the aircraft reached an altitude of more than 33,000ft (10,060m), then started to descend with a vertical speed of about 6,000ft a minute. The plane's forward speed meanwhile dropped to around 170km/h (105mph), slower than the speed necessary to continue safe flight.
Egyptian military aircraft subsequently located the wreckage of the plane in the Hasana area, 95km (59 miles) south of the Mediterranean coastal town of el-Arish.
Russian officials said the wreckage was scattered across a 20 sq km (7.7-sq mile) area, meaning that the plane broke up in mid-air before falling to earth.
Russia said on 17 November that a "terror act" was responsible for the crash and that "traces of foreign explosives" were found on debris of the Airbus.
UK security service investigators say they suspect someone with access to the aircraft's baggage compartment inserted an explosive device inside or on top of the luggage just before the plane took off.
Militants from that affiliate, known as Sinai Province, said they brought down the plane shortly after it crashed, with a spokesman claiming this was "in response to Russian air strikes that killed hundreds of Muslims on Syrian land". But he did not provide evidence, asserting: "We are not obliged to disclose the mechanism of its demise."
Egyptian officials have said it is too early to draw conclusions on the cause. Both of the plane's "black boxes" have been recovered as part of the investigation.
http://www.bbc.com/news/world-middle-east-34687990
authorities 官方
track行蹤
aircraft 航空器
wreckage 失事
traces 痕跡
mechanism 機械
What : Russian plane crash
When :17 November 2015
Where : in Larnaca, Cyprus.
Who : not mention
Why : aircraft's baggage compartment inserted an explosive device inside or on top of the luggage just before the plane took off.
How :Both of the plane's "black boxes" have been recovered as part of the investigation.
When :17 November 2015
Where : in Larnaca, Cyprus.
Who : not mention
Why : aircraft's baggage compartment inserted an explosive device inside or on top of the luggage just before the plane took off.
How :Both of the plane's "black boxes" have been recovered as part of the investigation.
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