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机载告警系统是向空勤人员通告机上各系统(包括动力装置)的告警信息、飞机外部环境的威胁告警信息,以及他们危及飞行安全的紧急程度的装置。飞机告警系统一般由视觉告警装置、听觉告警装置和触觉告警装置(如失速告警系统)组成。告警信息一般分警告、注意与提示三级;也可以在上述三级的前后各细分出一级,形成危险、警告、注意、提示和状态这五级告警信息。三级体系中警告的紧急等级最高(五级体系中为危险),其他依序次之。其优先权用计算机进行逻辑管理。
Airborne warning system is to inform flight attendants on the system alarm information (including power plant), threat alert information of the external environment of the aircraft, and their endangerment of the urgency of flight safety devices. Aircraft alarm system is generally composed of visual alarm device, audible alarm device and tactile alarm device (such as a stall alarm system). Warning messages are generally divided into warnings, cautions and prompts, and can also be subdivided into three levels before and after the above three levels to form five warning messages: danger, warning, caution, warning and status. The highest level of emergency warnings in the three-tier system (dangerous in the five-level system), followed by others. Its priority is computerized for logic management.