MMSI 210391000 · Call sign 5BYS5
Not yet on Master's MateMASTER is a Cypriot tugboat — 31 metres overall. MASTER has a 10 m beam and a 4.3 m draft. She's on record as MMSI 210391000, call sign 5BYS5, IMO 7711799. There's a place for MASTER on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
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 MASTER on the map. It hands you the full bridge:
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