NAVIGATION RULES HANDBOOK: If you have a vessel 12 m or larger, you are required to have this navigation rules handbook on board. The handbook goes over both the inland navigation rules, which is all of the rules inside the demarcation lines of the United States, as well as the international rules, which are called the COLREGS.There are 38 rules, which will hopefully give you clarity on all situations on the water. #howtoboating #howto #boating #boat #driving #book #vessel #captain #yacht #yacht