One of these lights or shapes shall be exhibited near the mast head and one at each end of the fore yard. these lights or shapes indicate that it is dangerous for another vessel to approach within 1000 metres of the mine clearance vessel.. The international regulations for preventing collisions at sea 1972 (colregs) are published by the international maritime organization (imo) and set out, among other things, the "rules of the road" or navigation rules to be followed by ships and other vessels at sea to prevent collisions between two or more vessels.. The learning objective of this section is to get acquainted with the different lights, shapes and sound signals that may be used by different types of vessels lights and shapes visibility of.
Lights or shapes prescribed in rule 27(b)(i) and (ii). in no case shall the upper of these lights or shapes be at a greater height than the lower of the three lights or shapes prescribed in rule 27(b)(i) and (ii). 5. screens for sidelights the sidelights shall be fitted with inboard screens painted matt black, and meeting the requirements of. Masthead light stern light sidelights all round light shapes minimum visibility range 6 miles minimum visibility range 3 miles minimum visibility range 3 miles two masthead lights, the first forward, at a height above the hull of not less thatn 6m, and, if the breadth of the vessel exceeds 6m, then at a height. The nav lights & shapes – lights quiz is designed to help all recreational and professional seafarers learn how to identify the vessels in their vicinity and the activities they are engaged in. the lights displayed follow an international code specified by the international regulations for preventing collisions at sea (colregs)..
Navigational Lights And Shapes Pdf