美国国家航空航天局（NASA）的一架科研飞机近日因机械故障实施了机腹着陆。该飞机为一架经过特殊改装的科研机型，主要用于大气采样、遥感监测或地球科学实验等任务。事发时飞机正在执行常规科研任务，机组人员在空中发现起落架系统出现异常无法正常放下，随即启动应急程序，在塔台引导下进行无起落架着陆。最终飞机以机腹接触跑道的方式滑行减速成功迫降，未造成人员伤亡，但机身腹部和部分科研设备受损。NASA已成立专项小组调查故障原因。科研飞机承担着重要实验任务，此类事件也反映出航空科研活动的高风险性，同时凸显了应急预案和飞行员专业处置能力的关键作用。
A NASA research aircraft recently executed a belly landing due to a mechanical failure. The specially modified aircraft was primarily used for missions such as atmospheric sampling, remote sensing, and earth science experiments. During a routine research operation, the crew identified an anomaly in the landing gear system that prevented its deployment, prompting the activation of emergency procedures. Guided by the control tower, the aircraft performed a gear-up landing, sliding to a stop on its fuselage. No injuries were reported, though the belly of the plane and some scientific equipment sustained damage. NASA has established an investigation team to determine the cause of the malfunction. Research aircraft play a critical role in scientific experiments, and this incident highlights both the inherent risks of aerial research and the vital importance of emergency protocols and pilot expertise.
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