MMSI 367120230 · Call sign WDD2812
Not yet on Master's MateSONIE is an American working tug — 23.3 metres overall. She carries a beam measuring 9.1 metres and a 3.5-metre draft. She broadcasts as MMSI 367120230, call sign WDD2812, IMO 9373723. SONIE is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
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 SONIE on the map. It hands you the full bridge:
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