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.
Vessel
4 SEAS
MMSI 538072206 · Call sign V7A6703
Not yet on Master's MateFlag
MHLCall sign
V7A6703
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
60
4 SEAS is a boat registered in the Marshall Islands. Officially she's MMSI 538072206, call sign V7A6703. Sign 4 SEAS up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card
Is 4 SEAS your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 04:01 UTC
Position
36.7692° N, 28.1275° E
Status
Under way (engine)
Speed
0.0 kn
Course
360°
Crossing the Aegean 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put 4 SEAS on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim 4 SEAS and switch it all on
Free to join · nothing to install to start · cancel anytime
About 4 SEAS
What kind of vessel is 4 SEAS?
4 SEAS is a vessel flagged to Marshall Islands.
Where was 4 SEAS last seen?
4 SEAS was last reported in the Aegean Sea in Jun 2026 on public AIS.
What is 4 SEAS's MMSI?
4 SEAS's MMSI is 538072206. Call sign V7A6703.
Is 4 SEAS on the Master's Mate Safety Initiative Network?
Not yet. If 4 SEAS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.