For your safety, smoking is not allowed during the whole flight.

为了您的安全，整个飞行过程中禁止吸烟。

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The enhanced airborne flight recorder is the newest in our recorder product family and includes improved capabilities for safety investigators to find and remedy the causes of incidents.

增强型空中飞行记录器是我们记录器产品家族中最新的产品，包括为安全调查员提供改良能力以发现和补救事故的原因。

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Controllers entered flight plans manually for all flights that did operate during that period, and the FAA said safety was not affected.

航空管理人员对正在运行的航班采取人工录入的方法处理，航空管理局表示飞行安全并没有受到影响。

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The head of a team responsible for flight safety during eruptions told the agency that an cloud of ashes over 100 kilometres in length was moving to the northeast and could pose a threat to aircraft on international routes near Kamchatka.

BBC: Volcano erupts in Russian Far East

"To ensure the safety of those on board, he was restrained by passengers and crew and was monitored for his own safety for the duration of the flight, " he added.

CNN: STORY HIGHLIGHTS

For the safety of flight crews, passengers and those potentially affected on the ground, please reconsider this terrible decision.

CNN: Letting knives on planes would be insane