MMSI 367697010 · Call sign WDI4276
Not yet on Master's MateCOLUMBIA, a service vessel under the American flag, measures 19 metres on deck. She carries a 7 m beam. Her registration reads MMSI 367697010, call sign WDI4276. Bring COLUMBIA aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
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 COLUMBIA on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.