MMSI 257052890 · Call sign LH2903
Not yet on Master's MateTOPSY, an offshore fishing boat listed on the Norway registry, measures 14 metres on deck. She's built with a 5 m beam and a 3 m draft. Look for MMSI 257052890, call sign LH2903. Join TOPSY to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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 TOPSY on the map. It hands you the full bridge:
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