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 BOTHNIA
MMSI 255915981 · Call sign CQ2439
Not yet on Master's MateType
Tanker
Flag
PRTLength
144 m
Beam
24 m
Draft
6.5 m
Call sign
CQ2439
IMO
9378735
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
23
STEN BOTHNIA, a Portuguese tank ship, measures 144 metres on deck. She's built with a beam measuring 24 metres and a 6.5-metre draft. Officially she's MMSI 255915981, call sign CQ2439, IMO 9378735. Give STEN BOTHNIA the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for commercial operators
Eyes on STEN BOTHNIA, 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
Live AIS position · Jun 9, 2026 19:42 UTC
Position
52.4118° N, 4.8360° E
Status
Moored
Speed
0.0 kn
Course
243°
Destination
NL AMS
ETA
06-07 19:00 UTC
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 STEN BOTHNIA 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 BOTHNIA and switch it all on
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About STEN BOTHNIA
What kind of vessel is STEN BOTHNIA?
STEN BOTHNIA is a Tanker flagged to Portugal.
Where was STEN BOTHNIA last seen?
STEN BOTHNIA was last reported in the North Sea in Jun 2026 on public AIS.
What is STEN BOTHNIA's MMSI?
STEN BOTHNIA's MMSI is 255915981. Call sign CQ2439. IMO 9378735.
How big is STEN BOTHNIA?
STEN BOTHNIA is about 144 m long, 24 m on the beam, drawing 6.5 m.
Is STEN BOTHNIA on the Master's Mate Safety Initiative Network?
Not yet. If STEN BOTHNIA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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