MMSI 230176400 · Call sign OJUQ
Not yet on Master's MateBJORN, a Finnish tug, measures 33 metres on deck. Her hull carries a beam measuring 10 metres and a draft measuring 5 metres. She's listed under MMSI 230176400, call sign OJUQ, IMO 9008665. Working vessels like BJORN are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
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 BJORN on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.