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Alitalia Flight 404, flown by a McDonnell Douglas DC-9-32 aircraft, crashed in Weiach near the airport of Zurich, Switzerland on 14 November 1990. The airplane with 46 people on board made a controlled flight into the mountain Stadlerberg, 5 miles short of the runway, because of a faulty ILS receiver. All persons on board died.〔"(46 Die in Crash of Alitalia Plane In Mountainous Area Near Zurich )." ''Reuters'' at ''The New York Times''. November 15, 1990.〕 The DC-9 was about 16 years old at the time of the accident and had accumulated 33,886 hours in the air. == Accident == During the approach to runway 14 of the Zurich airport, the pilot's ILS display gave false values due to a faulty receiver and showed about 1000 feet of additional altitude and a centered glide slope, even though it flew much too low. The ILS receiver of the co-pilot was working correctly and was showing the dangerously low approach. Despite this, the captain decided – without thoroughly examining which was the correct value – to ignore the second device. A go-around maneuver initiated by the co-pilot was aborted by the captain. Shortly afterwards, at 19:11 CET, the plane struck the Stadlerberg mountain at 1660 ft. All 40 Passengers and six crew perished in the accident. Contributing to the accident was that the crew descended below 4000 ft QNH, without clearance, before reaching the Final Approach Fix, and that air traffic control did not notice this descent.〔http://aviation-safety.net/database/record.php?id=19901114-0&lang=en〕 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「Alitalia Flight 404」の詳細全文を読む スポンサード リンク
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