Light shape and sound signals pdf

(PDF) Vessel lights day shapes and sound signals VBSH | Mark Anthony Campo - overtheroadtruckersdispatch.com

For example, a sailing vessel, must keep clear of a vessel constrained by her draft. But how does she know that this is so? It becomes easy once we realize that the vessel constrained by her draft and the sailing vessel must both display typical lights and shapes. The heights and arcs of visibility of each light are prescribed under the rules, and are subject to survey and approval during the construction of the ship. The distance at which each light can be seen at sea is also fixed; for example, a masthead light must be visible at six nautical miles. This is true for all lights, shapes and sound signals for all ships worldwide. A normal power driven vessel displays click on any image to enlarge.