单项选择题
A.horizontally and directly abeam of your vessel B.at the vessel whose attention you want to attract C.into the wind D.at greater than 60 degrees above the horizon
When two vessels are in immediate danger of collision，t...
单项选择题When two vessels are in immediate danger of collision，the stand-on vessel must（）.
A.abandon ship B.assist in taking whatever action is necessary to avoid collision C.hold course and speed D.sound a distress signal
What is NOT a distress signal?（）A.Red flares or red roc...
单项选择题What is NOT a distress signal?（）
A.Red flares or red rockets B.Continuous sounding of fog signaling apparatus C.International Code Flags November and Charlie D.Basket hanging in the rigging
What is NOT a distress signal?（）A.A continuous sounding...
A.A continuous sounding of the fog horn B.Firing a gun every minute C.Five or more short rapid blasts on the whistle D.A square flag and ball flown from the mast
