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
STI MADISON
MMSI 538005385 · Call sign V7DH5
Not yet on Master's MateType
Tanker
Flag
MHLLength
256 m
Beam
43 m
Draft
14.7 m
Call sign
V7DH5
IMO
9688831
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
80
STI MADISON is a Marshall Islands tank ship, 256 metres from stem to stern. She's built with a 43-metre beam and a 14.7-metre draft. She broadcasts as MMSI 538005385, call sign V7DH5, IMO 9688831. Give STI MADISON 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 STI MADISON, 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
54.4048° N, 18.7179° 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 STI MADISON 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 STI MADISON and switch it all on
Free to join · nothing to install to start · cancel anytime
About STI MADISON
What kind of vessel is STI MADISON?
STI MADISON is a Tanker flagged to Marshall Islands.
Where was STI MADISON last seen?
STI MADISON was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is STI MADISON's MMSI?
STI MADISON's MMSI is 538005385. Call sign V7DH5. IMO 9688831.
How big is STI MADISON?
STI MADISON is about 256 m long, 43 m on the beam, drawing 14.7 m.
Is STI MADISON on the Master's Mate Safety Initiative Network?
Not yet. If STI MADISON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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