The International Regulations for Preventing Collisions at Sea 1972 (“COLREGS”), as amended, provides general rules to be followed in order to avoid collisions at sea where good seamanship should complement these rules. There has been a significant number of collisions where misuse of VHF radio equipment and AIS information has been established to be a contributory factor. The COLREGS, however, does not specify exactly the role of VHF and other navigational aids, other than the use of ‘all avail

Colregs Rule 9 - Narrow Channel | Collision regulations at sea | ROR | Rules of the road