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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.
Tanker

MARIANNE

MMSI 205769000 · Call sign ONKA

Not yet on Master's Mate
Type
Tanker
Flag
BELBEL
Length
98 m
Beam
17 m
Draft
5.6 m
Call sign
ONKA
IMO
9474539
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
69

MARIANNE is a tank vessel flagged in Belgium, 98 metres LOA. She has 17 metres in the beam and a draft of 5.6 m. On AIS she appears as MMSI 205769000, call sign ONKA, IMO 9474539. Join MARIANNE to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

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Live AIS position · Jun 9, 2026 18:39 UTC
Position
52.4571° N, 4.6727° E
Status
Under way (engine)
Speed
5.5 kn
Course
314°
Destination
NOMON
ETA
06-10 10:00 UTC
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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.
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About MARIANNE

What kind of vessel is MARIANNE?
MARIANNE is a Tanker flagged to Belgium.
Where was MARIANNE last seen?
MARIANNE was last reported in the North Sea in Jun 2026 on public AIS.
What is MARIANNE's MMSI?
MARIANNE's MMSI is 205769000. Call sign ONKA. IMO 9474539.
How big is MARIANNE?
MARIANNE is about 98 m long, 17 m on the beam, drawing 5.6 m.
Is MARIANNE on the Master's Mate Safety Initiative Network?
Not yet. If MARIANNE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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