The Navigation Rules & Regulations Handbook (aka Colregs, Nav Rules, Rules of the Road, etc) is updated occasionally with a Local Notice to Mariners (LNM) as well as a Notice to Mariners (NTM). These updates typically contain important changes that are necessary to add to your copy of the handbook.
Paradise Cay Publications always provides a high quality edition of the handbook that includes the latest LNM and NTM at the time of printing. We incorporate a note on the cover of each book which shows the edition date.
In the case that you need to update your copy when a new notice is posted, please navigate to the US Navigation Center website here.
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