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Lauda Air Flight 004 was an international passenger flight operated by a Boeing 767-300ER that crashed on 26 May 1991 due to an uncommanded thrust reverser deployment of the No.1 engine in mid-flight, killing all 213 passengers and the 10 crew members on board. To date, it remains the deadliest aviation accident involving a Boeing 767 and the deadliest on Thai soil. The crash also marked the aircraft type's first fatal incident and first hull-loss.〔 It was the third serious accident involving an Austrian aircraft, after the crash in 1960 of an Austrian Airlines Vickers Viscount and the crash on 23 September 1989 of a Turbo Commander 690 aircraft which claimed the life of Alfred Dallinger, the Austrian Minister of Social Affairs.〔"(Lauda Air-Absturz in Thailand jährt sich zum 20. Mal )." ''Die Presse''. 26 May 2011. Retrieved on 14 February 2013. "Das Unglück 1991 in Thailand war das dritte schwere, von dem ein österreichisches Verkehrsflugzeug betroffen war. Am 26. September 1960 hatte der Absturz einer "Vickers-Viscount"-Turboprop-Maschine der AUA beim Landeanflug auf den Moskauer Flughafen Scheremetjewo 31 Tote gefordert. Schuld war damals eine falsche Höhenmesser-Einstellung. Am 23. September 1989 war eine mit elf Personen besetzte "Commander AC 90" der Rheintal-Flug beim Landeanflug auf den Flughafen Altenrhein am schweizerischen Ufer des Bodensees bei dichtem Nebel in das Gewässer gestürzt. Dabei kam auch der damalige Sozialminister Alfred Dallinger (S) ums Leben." and "In Thailand starb der Innsbrucker Wirtschaftswissenschafter Univ.-Prof. Clemens August Andreae."〕 Lauda Air was founded and run by the former Formula One world motor racing champion Niki Lauda. The crash of flight 004 was notable for Lauda's personal involvement in the accident investigation. ==History of the flight== At the time of the accident, Lauda Air operated three weekly flights between Bangkok and Vienna.〔Tummachartvijit, Tavorn. "Cause of airliner explosion Sought". ''Associated Press'' at ''The Dispatch''. Monday 27 May 1991. 1A and (6A ).〕 On 26 May 1991, at 23:02 local time, flight NG004 (originating from Hong Kong's Kai Tak Airport), a Boeing 767-3Z9ER, registration OE-LAV, ship name ''Mozart'', took off from Old Bangkok International Airport (Don Mueang International Airport) for its flight to Vienna International Airport with 213 passengers and 10 crew, under the command of Captain Thomas J. Welch (American) and First Officer Josef Thurner (Austrian). At 23:08, Welch and Thurner received a visual warning indicating that a possible system failure would cause the thrust reverser on the number one engine to deploy in flight. Having consulted the aircraft's quick reference handbook, they determined that it was "just an advisory thing" and took no action. At 23:17, the thrust reverser on the number one engine deployed while the plane was over mountainous jungle terrain in the border area between Suphanburi and Uthai Thani provinces in Thailand. Thurner's last recorded words were, "Oh, reverser's deployed."〔Job, Macarthur (1996). ''Air Disaster Volume 2'', Aerospace Publications, ISBN 1-875671-19-6: pp.203–217〕〔(【引用サイトリンク】title=Accident Report, Appendix A, page 55 )〕 The lift on the aircraft's left side was disrupted due to the reverser deployment, and the aircraft was placed in an immediate diving left turn. The aircraft went into a diving speed of mach 0.99, which may have broken the sound barrier. The aircraft broke up in mid-air on the way down at 4,000 feet (1,200 meters).〔Chiles, p. (309 ).〕 Most of the wreckage was scattered over a remote forest area roughly 1 km2 in size, at an elevation of 600 m above sea level, in what is now Phu Toei National Park, Suphanburi. The wreckage site is about north northeast of Phu Toey, Huay Kamin, Dan Chang District, Suphan Buri Province,〔(【引用サイトリンク】title=Accident Report )〕 about northwest of Bangkok, close to the Burma-Thailand border.〔〔"(More Than 200 Believed Killed As Plane Crashes in Thai Jungle )". ''Associated Press''. 27 May 1991. Retrieved on 27 January 2013.〕 None of the 223 passengers and crew aboard the airliner survived. Rescuers found the body of Welch still in the pilot's seat.〔"UN drug man 'not Thai bomb target'". ''The Independent''. Thursday 30 May 1991. Available on LexisNexis.〕 After the accident, looters stole electronics and jewellery.〔Johnson, Sharen Shaw. "Scavengers complicate crash probe". ''USA Today''. 29 May 1991. News 4A.〕 The looting had the potential to complicate the investigation. 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「Lauda Air Flight 004」の詳細全文を読む スポンサード リンク
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