MMSI 232035764 · Call sign MJDB5
Not yet on Master's MateOUSE is a British 17-metre working vessel. Below, she has 5 metres in the beam and a draft measuring 1.6 metres. She's on record as MMSI 232035764, call sign MJDB5. It's free to add OUSE 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 OUSE on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.