Which statement is TRUE concerning the danger signal?().

A . When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal B . Only the stand-on vessel can sound the danger signal C . Distress signals may be used in place of the danger signal D . The danger signal consists of 4 or more short blasts of the whistle

时间:2022-09-16 21:31:13 所属题库:安全通信题库

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