MMSI 211588220 · Call sign DJ5760
Not yet on Master's MateOn the German registry, CASTOR is an 85-metre cargo carrier. She carries a 9 m beam and a 0.3-metre draft. Officially she's MMSI 211588220, call sign DJ5760. CASTOR can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put CASTOR on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.