How much is an AIS system?

AIS receivers are built by all the major electronics manufacturers, plus a few specialty companies. Cost generally ranges between $200 and $400.

What is a Class A AIS transponder?

Class A AIS transponders (SOLAS Compliant) operate using Self-Organizing TDMA (SOTDMA) broadcast mode and transmit at a power level of 12.5 watts. Dynamic information is transmitted every 2 to 10 seconds while underway and every 3 minutes while at anchor.

What is a Class B AIS transponder?

Class B AIS Transponders are mainly used by recreational vessels and smaller commercial vessels. Information transmitted by Class B transponders can be “seen” by all AIS receiving equipment. Class B transponders also receive all Class A and Class B AIS transmissions.

What is the best AIS transponder?

Best AIS Transceiver in 2021

Si-tex SAS-900 Class A AIS Transceiver.
Garmin AIS 800 Class B Transceiver.
Si-Tex MDA-5 Class B AIS Transponder.
Si-tex MDA-1 AIS Class B.
RAYMARINE AIS700 Class B Transceiver.
How to pick an AIS transceiver.
AIS receivers.
How AIS works.

What boats must have AIS?

The compulsory carriage requirements for AIS are covered in the SOLAS V regulations under which compulsory carriage of AIS is limited to “all ships of 300 gross tonnage and upwards engaged on international voyages and cargo ships of 500 gross tonnage and upwards not engaged on international voyages and passenger ships …

What is the difference between Class A and B AIS?

The main difference between Class A and Class B units is the power output, Class B transmits at 2W, giving a range of between 8-10 miles, whilst Class A transmits at 12.5W giving a much larger range.

What is the difference between Class A and Class B AIS transponder?

What is the difference between Class A and Class B AIS?

Do I need a special antenna for AIS?

Receive only AIS units are being integrated into many of the newer VHF radios. It will have an internal splitter between the two and only one antenna input. For this scenario a VHF antenna is needed.

Do I need VHF with AIS?

AIS uses GPS, VHF radio and sophisticated digital processing to automatically communicate between vessels without any operator interaction.

What size vessel requires AIS?

The regulation requires AIS to be fitted aboard all ships of 300 gross tonnage and upwards engaged on international voyages, cargo ships of 500 gross tonnage and upwards not engaged on international voyages and all passenger ships irrespective of size. The requirement became effective for all ships by 31 December 2004.

Can you describe the 2 classifications of AIS?

AIS information is divided into two classes – classes A and B – depending on the AIS transponder transmitting the AIS information. These classes are of great importance to the capabilities of your AIS. There is a great difference between the two classes, both in terms of extent, complexity and price.

How much is an AIS system?