MMSI 211222710 · Call sign DKFW
Not yet on Master's MateHOLTENAU is a working tug flying the flag of Germany, 27 metres overall. She's built with a 9 m beam and a 4.2-metre draft. Look for MMSI 211222710, call sign DKFW, IMO 8200321. Put HOLTENAU on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.
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 HOLTENAU on the map. It hands you the full bridge:
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