See and be seen with an Automatic Identification System
AIS is the most significant improvement in navigation safety since the introduction of radar. With AIS you greatly reduce the risk of collisions on the water.
Automatic Identification Systems enable you to see and be seen at sea.
Using VHF frequencies, your AIS transponder sends out signals which are recieved by other vessels. These signals include GPS position, speed, heading and other details. The data is recieved by other ships and displayed, alerting them to your prescence. You will also receive these signals from other equipped vessels, giving you a list or a chart overlay of vessels within VHF range.
All large commercial vessels including ferries, cargo and passenger ships already carry AIS, as do many recreational vessels. The real-time map above shows AIS vessel information received live from each vessel's AIS transponder.
There are many instances where radar will not detect a vessel, such as through obstructions, around land, very heavy rain, or small vessels and/or swell. The VHF signal used by AIS solves this problem, eliminating the blind spots and giving accurate information to all vessels.
There are two ways to integrate AIS on your vessel: with a dedicated display and transponder, such as the Simrad AI50 (pictured right), or integrate a transponder into your system for display on your existing chartplotter.
AIS systems show ship name, type, position, speed, heading and rate of turn, closest point of approach (CPA), time till CPA, and other data where available.
For more information, please post a question on the forum, visit the Simrad AIS website, or contact us for a package deal with the Simrad NSE, NSO or NSS.
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