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
TOKYO TOWER
MMSI 235050802
Not yet on Master's MateFlag
GBRLength
171.9 m
IMO
9384875
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
20
TOKYO TOWER is a craft under British registration, 171.9 metres on deck. She broadcasts as MMSI 235050802, IMO 9384875. Claim TOKYO TOWER free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is TOKYO TOWER 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
Last known position · Jun 3, 2026
Position
34.1909° N, 134.9649° E
Crossing the Sea of Japan? 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 TOKYO TOWER 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 TOKYO TOWER and switch it all on
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About TOKYO TOWER
What kind of vessel is TOKYO TOWER?
TOKYO TOWER is a vessel flagged to United Kingdom.
Where was TOKYO TOWER last seen?
TOKYO TOWER was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is TOKYO TOWER's MMSI?
TOKYO TOWER's MMSI is 235050802. IMO 9384875.
How big is TOKYO TOWER?
TOKYO TOWER is about 171.9 m long.
Is TOKYO TOWER on the Master's Mate Safety Initiative Network?
Not yet. If TOKYO TOWER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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