MMSI 366823910 · Call sign WDA5793
Not yet on Master's MateOut of the United States, OLIVIA EM is a 12.2-metre fishing craft. Below, she has a 4.6 m beam and a draft measuring 1.3 metres. She broadcasts as MMSI 366823910, call sign WDA5793. OLIVIA EM is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put OLIVIA EM on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.