MMSI 235078641 · Call sign 2DGB5
Not yet on Master's MateREDOUBT is a tug hailing from the United Kingdom, spanning 22 metres. Her hull carries a 8 m beam and a draft measuring 2.1 metres. Her papers read MMSI 235078641, call sign 2DGB5. Put REDOUBT 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 REDOUBT on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.