欢迎来到牛牛题库网 牛牛题库官网
logo
全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(驾驶专业) > 航海英语 > 海上通信 > 安全通信

单项选择题

How can vessel personnel detect the operation of a SART in its vicinity?()

A.A unique radar signal consisting of a blip code radiating outward from a SART's position along its line of bearing
B.A unique two tone "warbling" signal heard on VHF-FM ch-70
C.A unique two tone alarm signal heard upon the automatic unmuting of the 2182 kHz radiotelephone automatic watch receiver
D.The SART signal appears as a target which comes and goes; the effect of heavy swells on the SART

点击查看答案&解析
微信小程序免费搜题
微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题