When may the automatic identification system (AIS) be switched off? （）<br>A:At anytime as long as it is properly logged<br>B:At the Master's professional judgment<br>C:Only when the vessel is at anchor or in port<br>D:Under no circumstance

When may the automatic identification system (AIS) be switched off? （）
A:At anytime as long as it is properly logged
B:At the Master's professional judgment
C:Only when the vessel is at anchor or in port
D:Under no circumstance

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10245188】个 (题库试题定时更新)