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
TOSUI
Tanker · last seen 34°N 135°E · Jun 2026 · MMSI 431013754 · Call sign JD4636
Not yet on Master's MateType
Tanker
Length
59 m
Beam
10 m
Draft
3.6 m
Call sign
JD4636
IMO
9875680
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
10
TOSUI is a tank vessel, spanning 59 metres. She has a 10-metre beam and a draft measuring 3.6 metres. Look for MMSI 431013754, call sign JD4636, IMO 9875680. Put TOSUI on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for commercial operators
Eyes on TOSUI, 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 15, 2026 16:55 UTC
Position
33.9316° N, 134.6983° E
Status
Moored
Speed
0.0 kn
Course
21°
Destination
>JP YKK OFF/3W
ETA
06-17 01:00 UTC
Wherever TOSUI roams, 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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Joining the Safety Initiative Network doesn't just put TOSUI 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 TOSUI and switch it all on
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About TOSUI
What kind of vessel is TOSUI?
TOSUI is a Tanker.
Where was TOSUI last seen?
TOSUI was last reported in around 34°N 135°E in Jun 2026 on public AIS.
What is TOSUI's MMSI?
TOSUI's MMSI is 431013754. Call sign JD4636. IMO 9875680.
How big is TOSUI?
TOSUI is about 59 m long, 10 m on the beam, drawing 3.6 m.
Is TOSUI on the Master's Mate Safety Initiative Network?
Not yet. If TOSUI is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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