By Tim Bartlett RYA International Regulations for Preventing Collisions at Sea outlines the regulations concerning what should be done when a vessel is coming into contact with any other vessels. It is therefore a vital aspect of seamanship, as every person taking to the seas must be confident that they will know what to do in these situations. Outlined within the chapters is information on the conduct of vessels in many different situations. These are clearly laid out, enabling the reader to accurately translate the rules.