MMSI 220329000 · Call sign OWZB
Not yet on Master's MateHM281 MERCY is a Danish 18-metre commercial fishing vessel. She's built with a 6 m beam. On AIS she appears as MMSI 220329000, call sign OWZB. HM281 MERCY 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 HM281 MERCY on the map. It hands you the full bridge:
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