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9月22日,南方航新疆飞机维修基地顺利完成首架波音757-200飞机机载应急示位发射机(ELT)改装任务,为波音757机队加装ELT的工作积累了经验。该改装任务是根据CCAR 121R4要求,为波音757飞机加装信号传输距离更远、定位精度更高并具有对应飞机识别能力的ELT,目的是确保飞机紧急情况下,在全球任何位置都能够发射卫星定位信号和本地紧急求救信号。
On September 22, China Southern Airlines Xinjiang Aircraft Maintenance Base successfully completed the first ELT retrofit mission on the 757-200 aircraft of the Boeing 757-200 aircraft, accumulating experience in the installation of ELT for the 757 fleet of Boeing. The retrofit mission is to retrofit the Boeing 757 with longer range signals, higher positioning accuracy and ELT with aircraft recognition capability, according to CCAR 121R4, in order to ensure that satellites can be launched anywhere in the world in aircraft emergency situations Positioning signals and local emergency distress signals.