MMSI 368280980 · Call sign WDN4436
Not yet on Master's MateCHRISSY flies the American flag — a tugboat. CHRISSY has a 2.8 m draft. On AIS she appears as MMSI 368280980, call sign WDN4436. Sign CHRISSY up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put CHRISSY on the map. It hands you the full bridge:
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