Obligations of a stand-on vessel:

bullet Maintain course and speed.
bullet May take action to avoid collision when it becomes apparent that the other vessel is not taking actions as per the rules.
bullet May take action if she finds collision cannot be avoided by the give-way vessel's action alone.
bullet In a crossing situation, shall not alter course to port for a vessel to her port side, if circumstances allow.

 

Obligation by give-way vessel:

bullet Take early and substantial action to keep well clear.

 

 

 

Updated: July 03, 2003