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
MARVEN
MMSI 613881500 · Call sign TJM7W3
Not yet on Master's MateType
Tanker
Flag
CMRLength
250 m
Beam
44 m
Draft
7.8 m
Call sign
TJM7W3
IMO
9305556
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
MARVEN is a 250-metre tank vessel listed on the Cameroon registry. MARVEN has a 44-metre beam and a 7.8 m draft. Her papers read MMSI 613881500, call sign TJM7W3, IMO 9305556. It's free to add MARVEN to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for commercial operators
Eyes on MARVEN, 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
59.8435° N, 25.9178° E
Transiting the Baltic Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MARVEN 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 MARVEN and switch it all on
Free to join · nothing to install to start · cancel anytime
About MARVEN
What kind of vessel is MARVEN?
MARVEN is a Tanker flagged to Cameroon.
Where was MARVEN last seen?
MARVEN was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is MARVEN's MMSI?
MARVEN's MMSI is 613881500. Call sign TJM7W3. IMO 9305556.
How big is MARVEN?
MARVEN is about 250 m long, 44 m on the beam, drawing 7.8 m.
Is MARVEN on the Master's Mate Safety Initiative Network?
Not yet. If MARVEN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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