MMSI 211315290 · Call sign DH3855
Not yet on Master's MateJOERN is a working tug under the German flag, 17 metres from stem to stern. JOERN has a 6 m beam and a 2-metre draft. Find her under MMSI 211315290, call sign DH3855. Claim JOERN free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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 JOERN on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.