In the Garmin Web Site, the latest update from 3.4 to 3.5 for GpsMap
3010C shows as below:

Changes made from version 3.40 to 3.50:

Improved the retail demonstration mode.
Added NMEA output sentence for Autopilot B (GPAPB).
Optimized the NMEA transmit rate.
Corrected a problem with the route data/numbers list not updating
correctly when the route has 9 or more waypoints.
Corrected the position of the sun/moon on the celestial page when the
sky orientation was set to Track Up.


I do not se anithing about AIS. Anyway, I would like to know of your
experience in real.

Thanks

Pascal