请求实体发送信号给控制点。
第一百五十一条民用航空器遇到紧急情况时,应当发送信号,并向空中交通管制单位报告,提出援救请求;
Article 151 A civil aircraft in emergency shall flash signals and report to air traffic control unit to request rescue;
第一百五十一条民用航空器遇到紧急情况时,应当发送信号,并向空中交通管制单位报告,提出援救请求;
Article 151 A civil aircraft in emergency shall flash signals and report to air traffic control unit to request rescue;
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