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Sailing Directions (Planning Guide) and Sailing Directions (Enroute) are frequently updated. In early 2005, NGA discontinued production of these publications in printed form; subsequent editions were distributed in digital form only. Between editions, Sailing Directions are corrected via a binary patch process referred to as Publication Data ...
Publisher. National Ocean Service. United States Coast Pilot is a ten-volume American navigation publication distributed yearly by the Office of Coast Survey, a part of the National Oceanic and Atmospheric Administration 's National Ocean Service. The purpose of the publication is to supplement nautical charts of the waters of the United States.
Nautical almanac. A nautical almanac is a publication describing the positions of a selection of celestial bodies for the purpose of enabling navigators to use celestial navigation to determine the position of their ship while at sea. The Almanac specifies for each whole hour of the year the position on the Earth's surface (in declination and ...
Rutter (nautical) A rutter is a mariner's handbook of written sailing directions. Before the advent of nautical charts, rutters were the primary store of geographic information for maritime navigation. It was known as a periplus ("sailing-around" book) in classical antiquity and a portolano ("port book") to medieval Italian sailors in the ...
Nautical publications. Nautical publications is a technical term used in maritime circles describing a set of publications, either published by national governments or by commercial and professional organisations, for use in safe navigation of ships, boats, and similar vessels. Other publications might cover topics such as seamanship and cargo ...
Distances Between Ports (PUB 151) is a publication that lists the distances between major ports. Reciprocal distances between two ports may differ due to the different routes of currents and climatic conditions chosen. To reduce the number of listings needed, junction points along major routes are used to consolidate routes converging from ...
Navigator. A navigator is the person on board a ship or aircraft responsible for its navigation. [1] The navigator's primary responsibility is to be aware of ship or aircraft position at all times. Responsibilities include planning the journey, advising the ship's captain or aircraft commander of estimated timing to destinations while en route ...
Nautical charts and textual descriptions known as sailing directions have been in use in one form or another since the sixth century BC. [14] Nautical charts using stereographic and orthographic projections date back to the second century BC. [14] In 1900, the Antikythera mechanism was recovered from Antikythera wreck. This mechanism was built ...