MMSI 244596000 · Call sign PCBM
Not yet on Master's MateMARE FRISIUM is a Dutch 50-metre workboat. She carries a beam measuring 7 metres and a 2.8 m draft. Officially she's MMSI 244596000, call sign PCBM, IMO 5344592. MARE FRISIUM belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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 MARE FRISIUM on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.