MMSI 259532000 · Call sign LJJA
Not yet on Master's MatePOLAR REX is a Norwegian harbour workboat, 38 metres long. Below, she has a 10 m beam and a draft of 4.7 m. Her registration reads MMSI 259532000, call sign LJJA, IMO 7392816. It's free to add POLAR REX to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
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 POLAR REX on the map. It hands you the full bridge:
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