單項選擇題

A vessel is “in sight” of another vessel when（）.

A.she can be observed by radar
B.she can be observed visually from the other vessel
C.she can be plotted on radar well enough to determine her heading
D.her fog signal can be heard

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單項選擇題

A vessel is “engaged in fishing” when（）.

A.her gear extends more than 100 meters from the vessel
B.she is using any type of gear，other than lines
C.she is using fishing apparatus which restricts her maneuverability
D.she has any fishing gear on board

單項選擇題

A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to（）.

A.moderate speed
B.safe speed
C.half speed
D.bare steerageway