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
STEN POSEIDON
MMSI 255953000 · Call sign CQXY
Not yet on Master's MateType
Tanker
Flag
PRTLength
144 m
Beam
23 m
Draft
7 m
Call sign
CQXY
IMO
9322700
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
On the Portuguese registry, STEN POSEIDON is a 144-metre tank vessel. She carries a 23 m beam and a 7-metre draft. On AIS she shows as MMSI 255953000, call sign CQXY, IMO 9322700. Add STEN POSEIDON to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.
Free forever · No credit card · for commercial operators
Eyes on STEN 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 10:35 UTC
Position
51.9199° N, 3.5431° E
Status
At anchor
Speed
0.0 kn
Course
310°
Destination
NL RTM
ETA
06-06 17:00 UTC
Transiting the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put STEN 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 STEN POSEIDON and switch it all on
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About STEN POSEIDON
What kind of vessel is STEN POSEIDON?
STEN POSEIDON is a Tanker flagged to Portugal.
Where was STEN POSEIDON last seen?
STEN POSEIDON was last reported in the North Sea in Jun 2026 on public AIS.
What is STEN POSEIDON's MMSI?
STEN POSEIDON's MMSI is 255953000. Call sign CQXY. IMO 9322700.
How big is STEN POSEIDON?
STEN POSEIDON is about 144 m long, 23 m on the beam, drawing 7 m.
Is STEN POSEIDON on the Master's Mate Safety Initiative Network?
Not yet. If STEN POSEIDON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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