![]() ![]() Two sidelights, a green one on her starboard (right) side and a red one on her port (left) sideĪt anchor, a power driven vessel shows an all round (360 degree) light.A second mastlight even higher on her after mast if the length of the vessel is more than 50 meters.Normal Lights & Shapes for Power Driven VesselĪ normal power driven vessel displays (click on any image to enlarge) This is true for all lights, shapes and sound signals for all ships worldwide. 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. ![]() 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. It then becomes easy to determine which is the ‘give way’ vessel, and action is taking accordingly. 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. (2) To operate a towing vessel without barges, or a tow of uninspected barges, an officer in charge of the towing vessel must have completed at least four round trips over this route as an observer, with at least one of those trips during hours of darkness, and provide evidence to the Coast Guard that at least one of the four roundtrips was within the last 5 years.There exists specific rules and responsibilities between vessels at sea, as dictated by the International Regulations for Preventing Collisions at Sea 1972 ( COLREGs).įor example, a sailing vessel, must keep clear of a vessel constrained by her draft. (1) To operate a towing vessel with tank barges, or a tow of barges carrying hazardous materials regulated under subchapters N or O of this chapter, an officer in charge of the towing vessel must have completed 12 roundtrips over this route as an observer, with at least three of those trips during hours of darkness, and provide evidence to the Coast Guard that at least one of the 12 roundtrips was completed within the last 5 years. ![]() (c) Any towing vessel operating in the pilotage waters of the Lower Mississippi River must be under the control of an officer meeting the requirements of paragraph (b) of this section who holds either a first-class pilot's endorsement for that route or MMC officer endorsement for the Western Rivers, or who meets the requirements of paragraph (b) of this section and meets the requirements of either paragraph (c)(1) or (2) of this section as applicable: This requirement does not apply to any vessel engaged in assistance towing. (b) Except as provided in this paragraph, every towing vessel of at least 8 meters (26 feet) in length, measured from end to end over the deck (excluding sheer), must be under the direction and control of a person holding a license or MMC officer endorsement as master or mate (pilot) of towing vessels, or as master or mate of vessels of greater than 200 GRT, holding either an endorsement on his or her license or MMC for towing vessels or a completed Towing Officer Assessment Record (TOAR) signed by a designated examiner indicating that the officer is proficient in the operation of towing vessels. (4) Towing vessels that are public vessels as defined in 46 U.S.C. (3) Towing vessels that are inspected under other subchapters of this chapter that may perform occasional towing and (2) Towing vessels that are seagoing and 300 gross or more tons subject to the provisions of subchapter I of this chapter (1) Towing vessels that are subject to subchapter M in accordance with § 136.105 of this chapter (a) The requirements in this section apply to towing vessels, except for. ![]() § 15.610 Master and mate (pilot) of uninspected towing vessels. ![]()
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