Vessel Routing Measures
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These data show the boundaries for select vessel routing measures in U.S. waters. These measures are part of an international ships routing system established by the IMO. Routing systems are systems of predetermined routes and related measures that are recommended for use by, and may be made mandatory for, all ships, certain categories of ships or ships carrying certain cargoes when adopted and implemented in accordance with the guidelines and criteria developed by the [IMO] and are designed to contribute to the safety of life at sea, safety and efficiency of navigation, and/or protection of the marine environment. SOLAS Chapter V, reg. 10, para. 1. For coastal and ocean planning. Not for navigation.
Danger Zones and Restricted Areas
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These data represent the location of Danger Zones and Restricted Areas within coastal and marine waters, as outlined by the Code of Federal Regulations (CFR) and the Raster Navigational Charts (RNC). The CFR defines a Danger Zone as, "A defined water area (or areas) used for target practice, bombing, rocket firing or other especially hazardous operations, normally for the armed forces. The danger zones may be closed to the public on a full-time or intermittent basis, as stated in the regulations." The CFR defines a Restricted Area as, "A defined water area for the purpose of prohibiting or limiting public access to the area. Restricted areas generally provide security for Government property and/or protection to the public from the risks of damage or injury arising from the Government's use of that area." Other features in this dataset include: Danger Area, Missile Testing Area, Naval Operations Area, Prohibited Area, Restricted Airspace, Test Area, and Torpedo Testing Area. Authoritative information relating to these data may be found in Title 33, Chapter II of the CFR (Part 334).
United States Coast Pilot (volume 1 through 9)
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The United States Coast Pilot is a series of 9 nautical books that cover a wide variety of information important to navigators of U.S. coastal and intercoastal waters, and the waters of the Great Lakes. Most of this information cannot be shown graphically on the standard nautical charts and is not readily available elsewhere. The subjects of the Coast Pilot include, but are not limited to, channel descriptions, anchorages, bridge and cable clearances, currents, tide and water levels, prominent features, pilotage, towage, weather, ice conditions, wharf descriptions, dangers, routes, traffic separation schemes, small-craft facilities and federal regulations applicable to navigations.