Rules of the Road

Give-way vessel

Technical visualCrossing power-driven vessels
Crossing power-driven vesselsA power-driven vessel with the other vessel on its starboard side takes early, substantial action to keep clear.OWN VESSELTARGET
Crossing power-driven vesselsA power-driven vessel with the other vessel on its starboard side takes early, substantial action to keep clear.OWN VESSELTARGET
Rule 15: the vessel that has the other on its starboard side keeps out of the way and, where circumstances admit, avoids crossing ahead.

Rule 16

A give-way vessel should, so far as possible:

take early action

take substantial action

keep well clear

A hesitant series of tiny course changes is poor collision-avoidance behavior.

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