Any vessel overtaking any other vessel must keep out the way of the vessel
being overtaken. The former is the give-way vessel and the latter is the
This rule applies even if the overtaking vessel is propelled by wind, oars,
or rubber band paddlewheel.
A vessel is deemed to be overtaking when coming up with another vessel
from a direction more than 22.5 degrees abaft (behind) her beam. This is
the angle prescribed by the stern light.
At night, the overtaking vessel will see only the white stern light of the vessel
being overtaken. If you see either side light, it is a crossing situation.