据航空业媒体Air Current援引消息人士称,波音公司上周获得美国航空监管机构的批准,将启动其777-9宽体客机五大阶段认证飞行测试中的第三阶段。据悉,这将是该长期延误的飞机项目迄今为止规模最大的一次评估。
据航空业媒体Air Current援引消息人士称,波音公司上周获得美国航空监管机构的批准,将启动其777-9宽体客机五大阶段认证飞行测试中的第三阶段。据悉,这将是该长期延误的飞机项目迄今为止规模最大的一次评估。
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