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Watercraft navigation lights must permit other vessels to determine the type and relative angle of a vessel, and thus decide if there is a danger of collision. In general, sailing vessels are required to carry a green light that shines from dead ahead to 2 points (22 + 1 ⁄ 2 °) abaft [note 1] the beam on the starboard side (the right side from the perspective of someone on board facing ...
The appropriate lights may also be displayed during the day at times of restricted visibility or other necessary circumstances. [3] Vessels under 7 meters are generally not required to display day shapes even if they are required to display lights at night. [4] A square black flag displayed over the ball may be used as a distress signal. [5]
The International Regulations for Preventing Collisions at Sea 1972, also known as Collision Regulations (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.
One simply raises the Kilo flag (see diagram at the top), or sends the Morse Code equivalent (dash-dot-dash) by flashing light; this has the assigned message of "I wish to communicate with you." One practical benefit of using the ICS is that all of the standardized messages come in nine languages (English, French, Italian, German, Japanese ...
Leading lights, also known as range lights in the United States, are a pair of light beacons used in navigation [2] to indicate a safe passage for vessels entering a shallow or dangerous channel; they may also be used for position fixing. At night, the lights are a form of leading line that can be used for safe navigation. The beacons consist ...
A 948-foot container ship smashed into a four-lane bridge in the U.S. port of Baltimore in darkness early on Tuesday, causing it to collapse and sending cars and people plunging into the river below.
Lookouts have been traditionally placed in high on masts, in crow's nests and tops.. The International Regulations for Preventing Collisions at Sea (1972) says in part: . Every vessel must at all times keep a proper look-out by sight (day shape or lights by eyes or visual aids), hearing (sound signal or Marine VHF radio) and all available means (e.g. Radar, ARPA, AIS, GMDSS...) in order to ...
Echo, echo, echo is the code for a possible collision with another ship or the shore aboard Royal Caribbean ships, or if the ship is starting to drift. [1] On board some cruise lines this means danger of high winds while at port. It alerts the crew responsible for the gangway, thrusters etc. to get into position and be ready for new maneuvers.