Chartplotter: Difference between revisions

Revision as of 03:19, 18 July 2010

Revision as of 01:19, 20 December 2010

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{{ArticleMultiple issues|unreferenced =August 2009|context=September 2009|cleanup =March 2007}}

A '''Chartplotter''' is a device used in marine [[navigation]] that integrates GPS data with an [[Electronic navigational chart| electronic navigational chart (ENC)]]. The chartplotter displays the ENC along with the position, heading and speed of the ship, and may display additional information from [[radar]], [[Automatic Identification System|automatic information systems (AIS)]] or other sensors. As appropriate to particular marine applications, chartplotters may also display data from other sensors, such as echolocators/[[sonar]].

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A basic navigational display is common to all chartplotters. Depending on intended use and characteristics of the specific chartplotter, they may have options to present such displays as three-dimensional fish-finding and bottom characteristics useful in fishing. These optional displays can be presented by commands to a single screen, causing the main display to be replaced with the one requested. Alternatively, chartplotters may offer split-screen modes on a single physical screen, or may support multiple physical displays.

They may be programmable to generate audible and visual alarms for conditions such as a potential collision, deviating significantly from the planned course, etc.

== Related Application==

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Safety-related [[Automatic Identification System|Automatic identification systems (AIS)]], required on all passenger vessels and vessels of 300 tons and over, also assist in piloting, and can display on the chartplotter. AIS have collision avoidance, and avoidance of known hazards such as reefs, as their primary function. AIS depend on cooperative data communications among ships. [[Vessel Traffic Service|Vessel traffic services (VTS)]] go even farther as safety systems, being analogous to the proactive function of air traffic control systems. VTS assist vessel traffic control in routing vessels in busy waters. Other vessel-based safety collision avoidance functions are [[Automatic Radar Plotting Aid| Automatic Radar Plotting Aids (ARPA)]], usually a component of the radar system or an accessory to it, and coupled with the radar system input to the chartplotter.

[[Category:Navigational equipment]]