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Harbin Z-9
The Harbin Z-9 (NATO reporting name "Haitun", (中国語:海豚) for Dolphin) is a Chinese military utility helicopter. It is a licensed variant of the French Eurocopter AS365 Dauphin, and is manufactured by Harbin Aircraft Manufacturing Corporation.
==Design and development==
The first Z-9 flew in 1981, and was built in China from components supplied by Aérospatiale as part of a production patent bought on October 15, 1980.〔(【引用サイトリンク】title=哈尔滨飞机工业集团有限责任公司 )〕 On 16 January 1992, the indigenous variant Z-9B, constructed with 70% Chinese-made parts, flew successfully. The flight test was completed in November 1992 and the design was finalized a month later. Z-9B production began in 1993 and entered PLA service in 1994.
The Z-9B features 11-blade Fenestron faired-in tail rotor with wider-chord, all-composite blades replacing the 13-blade in AS 365N. As a light tactical troop transport, the Z-9 has the capacity to transport 10 fully armed soldiers. Generally the Z-9 is identical to the AS 365N Dauphin, though later variants of the Z-9 incorporate more composite materials to increase structural strength and lower radar signature. The helicopter has a four-blade main rotor, with two turboshaft engines mounted side by side on top of the cabin with engine layout identical to the AS 365N. The Z-9 teardrop-shaped body features a tapered boom to the tail fin, with rounded nose and stepped-up cockpit, and retractable gear and all flat bottom.
In 2002, Harbin obtained Chinese certification for the new H410A variant of the Z-9, which featured more powerful Turbomeca Arriel 2C turboshaft engines; Eurocopter issued official objections to Harbin's decision to continue production in spite of the license-production agreement having expired, leading to a period of highly sensitive international negotiations to resolve the dispute.〔("China Approves Re-engine Z-9 Twin." ) ''Flight International'', July 2002. p. 43.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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