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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.
Day shapes are designed to correspond to the various navigation lights required to be shown at night, and are required to be complied with by day from sunrise to sunset. The appropriate lights may also be displayed during the day at times of restricted visibility or other necessary circumstances. [ 3 ]
The oldest sailing directions, dating back to the middle ages, descended directly from the Greek and Roman periplii: in classical times, in the absence of real nautical charts, navigation was carried out using books that described the coast, not necessarily intended for navigation, but more often consisting of reports of previous voyages, or celebrations of the deeds of leaders or rulers.
An Electronic Navigational Chart (ENC) is a digital representation of a real-world geographical area for the purpose of Marine navigation.Real-world objects and areas of navigational significance, or to a lesser degree - informational significance, are portrayed through Raster facsimiles of traditional paper charts; or more commonly through vector images, which are able to scale their relative ...
The Code sets out regulations for shipping in the polar regions, principally relating to ice navigation and ship design. The international framework aims to protect the two polar regions — the Arctic (north pole region) and Antarctic (south pole region), from maritime risks. [2] The Code entered into force on 1 January 2017. [2] [3] [4]
The International Code of Signals (INTERCO) is an international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters. Signals can be sent by flaghoist , signal lamp ("blinker"), flag semaphore , radiotelegraphy, and radiotelephony.
Navy Regulations began with the enactment by the Second Continental Congress of the "Rules for the Regulation of the Navy of the United Colonies" on November 28, 1775. [1] The first issuance by the United States Government which covered this subject matter was "An Act for the Government of the Navy of the United States," enacted on March 2 ...
The TSS rules are incorporated in the International Regulations for Preventing Collisions at Sea (Under Part B, Section I, Rule 10- Traffic Separation Schemes), SOLAS V/10 and the General Provisions on Ships' Routeing (GPSR). An individual TSS is controlled by a vessel traffic service.