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.
Tanker
POSEIDON
MMSI 205351390 · Call sign OT3513
Not yet on Master's MateType
Tanker
Flag
BELLength
110 m
Beam
12 m
Draft
2.4 m
Call sign
OT3513
IMO
9205471
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
48
POSEIDON, a Belgian tanker, measures 110 metres on deck. She's built with 12 metres in the beam and a 2.4 m draft. Look for MMSI 205351390, call sign OT3513, IMO 9205471. Add POSEIDON to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on POSEIDON, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
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Live AIS position · Jun 9, 2026 06:18 UTC
Position
51.3253° N, 4.3275° E
Status
Moored
Speed
0.0 kn
Course
360°
Destination
ANTWERPEN BEVRIJDING
ETA
06-08 12:17 UTC
Transiting the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put POSEIDON 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 POSEIDON and switch it all on
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About POSEIDON
What kind of vessel is POSEIDON?
POSEIDON is a Tanker flagged to Belgium.
Where was POSEIDON last seen?
POSEIDON was last reported in the North Sea in Jun 2026 on public AIS.
What is POSEIDON's MMSI?
POSEIDON's MMSI is 205351390. Call sign OT3513. IMO 9205471.
How big is POSEIDON?
POSEIDON is about 110 m long, 12 m on the beam, drawing 2.4 m.
Is POSEIDON on the Master's Mate Safety Initiative Network?
Not yet. If POSEIDON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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