Simrad V5043 Class A TransceiverSimrad V5043 Class A Transceiver V5043 Class A AIS System IMO Compliant AIS system. Includes GPS antenna, junction box, and pilot plug. IMO Type Approved Class A AIS for SOLAS Vessels SOLAS carriage requirements mandate Class A Automatic Identification Systems (AIS) to be fitted aboard all ships, on international voyages, 300 GT and upwards; all cargo ships, both international or domestic, 500 GT and upwards; and all passenger ships, international or