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Sailing Directions are written directions that describe the routes to be taken by boats and ships during coastal navigation and port approaches. There are also products known as Sailing Directions, which are books written by various Hydrographic Offices throughout the world. They are known as Pilot Books, because they provide local knowledge of ...
Various charts and pilot books for North American waters were published in England beginning in 1671, but the first book of sailing directions, charts, and other information for mariners in North American waters published in North America was the American Coast Pilot, first produced by Edmund M. Blunt in Newburyport, Massachusetts, in 1796.
The United States Hydrographic Office ( USHO) prepared and published maps, charts, and nautical books required in navigation . The office was established by an act of 21 June 1866 as part of the Bureau of Navigation, Department of the Navy . It was transferred to the Department of Defense on 10 August 1949. The office was abolished on 10 July ...
The United States Coast and Geodetic Survey (abbreviated USC&GS; known as the Survey of the Coast from 1807 to 1836, and as the United States Coast Survey from 1836 until 1878) was the first scientific agency of the United States Government. It existed from 1807 to 1970, and throughout its history was responsible for mapping and charting the ...
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 ...
Whaling Charts; Wind and Current Charts; US Navy Contributions to Science and Commerce. 1847. Archived from the original on February 3, 1999. Explanations and Sailing Directions to Accompany the Wind and Current Charts, 1851, 1854, 1855; Lieut. Maury's Investigations of the Winds and Currents of the Sea, 1851
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 ...
32-point compass rose. The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography.A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each separated by 90 degrees, and secondarily divided by four ordinal (intercardinal) directions—northeast, southeast, southwest, and ...