Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Cargo
RHENUS ESSEN
MMSI 211882390 · Call sign DF4903
Not yet on Master's MateType
Cargo
Flag
DEULength
185 m
Beam
10 m
Draft
1.7 m
Call sign
DF4903
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
RHENUS ESSEN is a German 185-metre freighter. Below, she has 10 metres in the beam and a draft of 1.7 m. Her papers read MMSI 211882390, call sign DF4903. RHENUS ESSEN is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for commercial operators
Eyes on RHENUS ESSEN, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
51.8603° N, 6.0720° E
Transiting the North Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put RHENUS ESSEN on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim RHENUS ESSEN and switch it all on
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About RHENUS ESSEN
What kind of vessel is RHENUS ESSEN?
RHENUS ESSEN is a Cargo flagged to Germany.
Where was RHENUS ESSEN last seen?
RHENUS ESSEN was last reported in the North Sea in Jun 2026 on public AIS.
What is RHENUS ESSEN's MMSI?
RHENUS ESSEN's MMSI is 211882390. Call sign DF4903.
How big is RHENUS ESSEN?
RHENUS ESSEN is about 185 m long, 10 m on the beam, drawing 1.7 m.
Is RHENUS ESSEN on the Master's Mate Safety Initiative Network?
Not yet. If RHENUS ESSEN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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