Give way, Do not impede
Vessel port side with one black cylinder raised
Vessel contrained by its draught.
More Rules of the Road
International Regulations for Preventing Collisions at Sea
Self Testing on Rules of the Road
Self testing tools for desktop and mobile.
Rules of the Road Testing Video
International Regulations for Preventing Collisions at Sea self testing video slides. Sit back and guess.
Home Page
Marine references, self-testing and software tools.
International Regulations for Preventing Collisions at Sea apply to all vessels upon the high seas and in all waters connected therewith navigable by seagoing vessels.
More information about
International Regulations for Preventing Collisions at Sea
Others are:
Give way, Do not impede
Head on
Give Way
Keep to starboard side. Do not impede large vessels.
Stand on
Give Way
Give Way
Give Way
Stay clear
Give Way
Give Way
Give Way
Keep to starboard side of channel
Sound horn
Give Way
Give Way
Give Way
Stand-on
Keep clear
Stand-on
Keep clear, pass on vessels portside.
Give Way.
Give Way.
Keep clear.