[CA] [CA11] E120 shows only AIS MMSI info not vessel names

[Chuck - Raymarine - Moderator]

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E-Series Classic MFDs are designed to display both MMSI and vessel name received from either Class A or Class B AIS transceivers. While it is recommended that Class B AIS transceivers be programmed to included static AIS data (vessel name, call sign, distance of GPS sensor from bow, stern, port gunwale, and starboard gunwale) this information is not required, is often omitted from configuration, and accordingly will not be transmitted by the AIS transceiver. Also, unlike the Class A transceivers commonly found on larger vessels which transmit this information every 2 to 10 seconds depending on a vessel's speed while underway, Class B AIS transceivers only transmit vessel name (Message 24 - Class B CS Static Data Report) at 6 minute intervals if a slot is available. Accordingly, it is not uncommon to initially find that the AIS target list only includes a MMSI for a target and is later updated to include the vessel's name after having received Message 24. In areas having large number of AIS transponders, this interval may be longer based on such slot availability. In summary, should the MFD be operating with v5.69 software and be displaying AIS target data, then the vessel name associated with a Class B AIS transceiver will be reported by the MFD when Message 24 - Class B CS Static Data Report has been received.