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Turkish Airlines Flight 634 was a Turkish Airlines domestic scheduled flight from Atatürk Airport Istanbul to Diyarbakır Airport in Turkey. On 8 January 2003 it was operated by Avro RJ100 TC-THG, which crashed in extensive fog during its final approach to land. All five of the crew and seventy of the seventy-five passengers lost their lives;〔(【引用サイトリンク】publisher=Aviation Safety Network )〕 five passengers survived with serious injuries.〔 〕 == Approach and crash == Having left Istanbul at 18:35 EET (16:35 UTC) for the nearly two-hour flight to Diyarbakır in south-eastern Turkey, the pilots made en route navigation planning to execute a missed approach and alternate airport diversion if necessary in addition to the standard VOR-DME approach at a distance of around from the airport before contacting the air traffic control.〔 TK 634 reported to the airport's approach control at a distance of that it had reached the initial approach fix (IAF). The control tower instructed the aircraft to continue the approach and to report when sufficient visual reference to the runway was obtained. This conversation was confirmed by the aircraft and the tower.〔 Continuing to descend and approach, the aircraft reached its minimum descent altitude (MDA) at . At this altitude, both pilots expressed that there was no visual reference to the runway.〔 The public/military airport was not equipped with instrument landing system. Conversation in the cockpit recorded by the CVR revealed that the commanding pilot was unable to identify the runway and the approach lighting system. He noticed what appeared to be the threshold of Runway 16, but nothing from the other runway.〔 At 20:19 EET (18:19 UTC) on final approach to the Runway 34 in heavy fog, the TC-THG struck the ground, which has a slightly uphill slope of around 10%, with its mid underside of fuselage and undercarriage open.〔 The crash site was located from the threshold of the Runway 34 just in direction of the VOR and some on the left side of the approach lighting system. At this time, the aircraft's speed was .〔 Following the crash, the aircraft continued as it disintegrated. The aircraft frame broke up in three major pieces, which caught fire and spread out in area of . An explosion occurred after the crash and most of the bodies were burnt due to the fire.〔 Two pilots, three flight attendants and sixty-nine passengers were killed at the crash. Six passengers survived, but with serious injures. An infant died the next day in the hospital.〔 It was the worst accident involving a BAe-146, and third worst aircraft accident in Turkey at that time.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Turkish Airlines Flight 634」の詳細全文を読む スポンサード リンク
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