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Diagram of a chip log attached to a log-line and reel on a ship. A chip log, also called common log, [1] ship log, or just log, is a navigation tool mariners use to estimate the speed of a vessel through water. The word knot, to mean nautical mile per hour, derives from this measurement method.
The Hunter Passage 42 is a recreational keelboat, built predominantly of fiberglass.It has a B&R masthead sloop rig, a center cockpit, a raked stem, a walk-through reverse transom with a swimming platform and folding ladder, an internally mounted spade-type rudder controlled by a wheel and a fixed wing keel.
Today, approximately 36,000 recreational cruising boats utilize portions of the Inside Passage route. [3] [better source needed] The nonprofit Marine Exchange of Alaska plots and follows vessel traffic in the Alaskan section of the Inside Passage. [4] Captain Warren Good has catalogued some 3,641 shipwrecks along the Alaska portion of the ...
MapQuest offers online, mobile, business and developer solutions that help people discover and explore where they would like to go, how to get there and what to do along the way and at your destination.
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 Mediterranean Sea.
Google Earth is a web and computer program that renders a 3D representation of Earth based primarily on satellite imagery.The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles.
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.
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