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
STONE I
MMSI 538009363 · Call sign V7HX5
Not yet on Master's MateType
Tanker
Flag
MHLLength
184 m
Beam
27 m
Draft
10.6 m
Call sign
V7HX5
IMO
9380582
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
STONE I, a tank vessel sailing under the Marshall Islands flag, measures 184 metres on deck. Her hull carries a 27-metre beam and a draft of 10.6 m. Officially she's MMSI 538009363, call sign V7HX5, IMO 9380582. The Master's Mate Safety Initiative Network welcomes STONE I — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for commercial operators
Eyes on STONE I, 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 11:48 UTC
Position
46.2084° N, 72.8271° W
Status
Under way (engine)
Speed
9.2 kn
Course
72°
Destination
NLRTM
ETA
06-19 18:00 UTC
Wherever STONE I roams, 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 STONE I 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 STONE I and switch it all on
Free to join · nothing to install to start · cancel anytime
About STONE I
What kind of vessel is STONE I?
STONE I is a Tanker flagged to Marshall Islands.
Where was STONE I last seen?
STONE I was last reported in around 46°N 73°W in Jun 2026 on public AIS.
What is STONE I's MMSI?
STONE I's MMSI is 538009363. Call sign V7HX5. IMO 9380582.
How big is STONE I?
STONE I is about 184 m long, 27 m on the beam, drawing 10.6 m.
Is STONE I on the Master's Mate Safety Initiative Network?
Not yet. If STONE I is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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