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On 15 April 2008, Hewa Bora Airways Flight 122,〔(【引用サイトリンク】archiveurl=https://web.archive.org/web/20080909215659/http://www.jacdec.de/info/2008-04-15_9Q-CHN.pdf )〕 a McDonnell Douglas DC-9-51 plane crashed into a residential and market area of Goma of the Democratic Republic of the Congo immediately south of Goma International Airport. ==Background== The eastern part of the DRC had been war-torn for decades, as various factions sought control of mineral resources. Goma was a center for the air shipping of cassiterite (tin oxide ore) from Nord-Kivu. The European Union placed all DRC airlines on its List of airlines banned in the EU. HBA has held a single exemption for a single Boeing 767-266ER tail number 9Q-CJD, construction number 193H-1209, but that too had been removed on 11 April 2008. Very similar crashes in the DRC the previous October in the capital, Kinshasa and in 1996 also came down in residential or market areas. Because the DRC has so little passable roadway, most freight is moved by air and markets are common near airstrips. HBA operates a number of different aircraft types, none of them modern. This aircraft was 31 years old. Goma is on the volcanically active Great African Rift Valley. One volcano, Nyiragongo, is so close that its January 2002 eruption destroyed the north end of runway 18/36, leaving just for aircraft operations.〔 〕 Goma International is at elevation, and the mid-afternoon temperature is about . These factors would reduce the Maximum Takeoff Weight (MTOW) on the 1995 metre runway from to less than .〔 〕 Another report states that only 1600 to 1800 m of the runway was usable.〔 〕 If the lower of these figures were correct, then the corresponding MTOW would be reduced another . 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「Hewa Bora Airways Flight 122」の詳細全文を読む スポンサード リンク
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