navigational hazards

См. также в других словарях:

• Navigational aid — A lighthouse is an easily recognized aid to navigation. A navigational aid (also known as aid to navigation, ATON, or navaid) is any sort of marker which aids the traveler in navigation; the term is most commonly used to refer to nautical or… …   Wikipedia

• Nautical chart — A nautical chart is a graphic representation of a maritime area and adjacent coastal regions. Depending on the scale of the chart, it may show depths of water and heights of land (topographic map), natural features of the seabed, details of the… …   Wikipedia

• Navigator — This article is about a nautical occupation. For the aviation occupation, see Flight officer. For other uses, see Navigator (disambiguation). A navigator is the person on board a ship or aircraft responsible for its navigation. The navigator s… …   Wikipedia

• map — mappable, adj. mapper, n. /map/, n., v., mapped, mapping. n. 1. a representation, usually on a flat surface, as of the features of an area of the earth or a portion of the heavens, showing them in their respective forms, sizes, and relationships… …   Universalium

• Map — /map/, n. Walter, c1140 1209?, Welsh ecclesiastic, poet, and satirist. Also, Mapes /mayps, may peez/. * * * I Graphic representation, drawn to scale and usually on a flat surface, of features usually geographic, geologic, or geopolitical of an… …   Universalium

• MAP — See modified American plan. * * * I Graphic representation, drawn to scale and usually on a flat surface, of features usually geographic, geologic, or geopolitical of an area of the Earth or of any celestial body. Globes are maps represented on… …   Universalium

• Electronic Chart Display and Information System — An Electronic Chart Display and Information System (ECDIS) is a specific form of computer based navigation information system that complies with International Maritime Organization (IMO) regulations and can be used in lieu of paper navigation… …   Wikipedia

• Vistula River — Polish Wisła River, Poland. It rises on the northern slope of the Carpathian Mountains in southwestern Poland, flows in a curve through Warsaw and Torun, then empties into the Baltic Sea at Gdańsk. Most of its 651 mi (1,047 km) are navigable.… …   Universalium

• Seamount — A seamount is a mountain rising from the ocean seafloor that does not reach to the water s surface (sea level), and thus is not an island. These are typically formed from extinct volcanoes, that rise abruptly and are usually found rising from a… …   Wikipedia

• Robert Moresby — was a distinguished captain of the British Royal Navy. He was also an excellent hydrographer, maritime surveyor and draughtsman. Capt. Moresby, born 15 Jun 1794, died 15 Jun 1854 (although other sources mention that he is thought to have died in… …   Wikipedia

• Marysburgh vortex — The Marysburgh Vortex is an area of eastern Lake Ontario with a startling record of shipwrecks which has fueled theories of paranormal explanations and drawn comparison to the Bermuda Triangle. According to shipping and insurance records during… …   Wikipedia