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SeaVision is a web-based maritime visualization and information management tool designed to enhance maritime situational awareness. It enables users to view ship positions on a map, analyze historical movement patterns, and access unclassified data in near real-time through a shared data network. [7]
Users can submit photographs of the vessels which other users can rate. The basic MarineTraffic service can be used without cost; more advanced functions such as satellite-based tracking are available subject to payment. [3] The site has six million unique visitors on a monthly basis. In April 2015, the service had 600,000 registered users. [4] [5]
AIS mobile apps are also readily available for use with Android, Windows and iOS devices. See External links below for a list of internet-based AIS service providers. Ship owners and cargo dispatchers use these services to find and track vessels and their cargoes while marine enthusiasts may add to their photograph collections. [5]
The Clean Boating Act of 2008 (CBA) is a United States law that requires recreational vessels to implement best management practices to control pollution discharges. The law exempts these vessels from requirements to obtain a discharge permit under the Clean Water Act (i.e. they are exempt from coverage under the EPA Vessels General Permit).
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The division serves all types of recreational boaters statewide. California has about 2.6 million recreational boats and over 4 million recreational boaters. Recreational boating annually contributes several billion dollars to the state’s economy. The current Deputy Director of California Division of Boating and Waterways is Ms. Lynn Sadler.
Vessel Monitoring Systems (VMS) is a general term to describe systems that are used in commercial fishing to allow environmental and fisheries regulatory organizations to track and monitor the activities of fishing vessels. They are a key part of monitoring control and surveillance (MCS) programs at national and international levels.
The presence and status of the blue sign is transmitted by the ship's Inland-Automatic Identification System (Inland-AIS) transponder to other vessels. The status of the sign is transmitted using two bits of the "regional application flags"/"special manoeuvre field" in the AIS position reports. [8] This must be transmitted every ten seconds. [9]