The automatic identification system (AIS) is an automatic tracking system used for collision avoidance on ships. Information provided by AIS equipment, such as unique identification, position, course, and speed is transmitted by a VHF antenna to the surrounding vessels equipped with an AIS equipment.
AIS receivers will allow you to receive data from vessels close to you, while AIS transponders will allow you to receive data but also to continuously transmit your vessel’s identity, position, speed, heading and other relevant information to all other vessels equipped with an AIS system within its range.
If you want to learn more about AIS, please click on the button below:
Digital Yacht’s Extensive range of AIS products provides solutions for every type of boat, from an open cockpit RIB to a SOLAS Super Tanker. For customers that just want to see where surrounding vessels are, select from our range of Receivers or if you also want other vessels to know your position, select from our Transponders. We also manufacture many accessories such a patented Zero-Loss VHF antenna-splitter allowing the VHF antenna to be shared with AIS and VHF, AIS base station, AIS beacons etc. There are 3 types of AIS transponders: Class A, Class B and Class B+. They all interoperate:
Class A AIS transponders are mandated for vessels over 300 tons, fishing vessels over 15m, passenger carrying vessels and for SOLAS Convention.
AIS Class B transponders are for recreational craft installation and have a transmission power of 2W (range of about 10 miles). AIS Class B+ (also called Class B SOTDMA) use the same SOTDMA technology as a AIS Class A transponders and therefore have the same priority when it comes to reserving a slot, thus ensuring that they will always be able to transmit, even in high traffic areas. They have a transmission power of 5W.
If you want to understand the difference between the Class B, Class B + and Class A AIS Transponders, please click here:
DISCOVER OUR AIS PRODUCTS
Digital Yacht have the most extensive AIS Receiver range of any Marine Electronics manufacturer, with a model to suit every application.
Digital Yacht’s range of AIS transponders include both Class A and Class B units for Commercial and Pleasure vessels.