Russian airframer Irkut has commenced flight testing with a third MC-21-300, which lifted off from its Irkutsk assembly centre on 16 March. Aircraft MC0004, bearing the number 73054, conducted a 1h 30min maiden flight, reaching an altitude of 11,500ft and speeds of around 240kt (445km/h).
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机译：俄罗斯飞机制造商伊尔库特（Irkut）已开始对第三架MC-21-300进行飞行测试，该飞机于3月16日从其伊尔库茨克（Irkutsk）装配中心起飞。编号为73054的MC0004飞机进行了1h 30min的首次飞行，飞行高度为11,500ft，速度约为240kt（445 km / h）。
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