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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

UWAKAI

Tanker · Japan · last seen 35°N 135°E · Jun 2026 · MMSI 431501741 · Call sign JL6678

Not yet on Master's Mate
Type
Tanker
Flag
JPNJPN
Length
81 m
Beam
12 m
Draft
3.9 m
Call sign
JL6678
IMO
9275892
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
18

UWAKAI is a Japanese tanker — 81 metres overall. Her hull carries a beam measuring 12 metres and a draft of 3.9 m. On the registers she's MMSI 431501741, call sign JL6678, IMO 9275892. UWAKAI is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

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Live AIS position · Jun 15, 2026 12:53 UTC
Position
34.6226° N, 135.1541° E
Status
At anchor
Speed
0.0 kn
Course
50°
Destination
>JP UKB OFF
ETA
06-15 14:20 UTC
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Joining the Safety Initiative Network doesn't just put UWAKAI 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.
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About UWAKAI

What kind of vessel is UWAKAI?
UWAKAI is a Tanker flagged to Japan.
Where was UWAKAI last seen?
UWAKAI was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is UWAKAI's MMSI?
UWAKAI's MMSI is 431501741. Call sign JL6678. IMO 9275892.
How big is UWAKAI?
UWAKAI is about 81 m long, 12 m on the beam, drawing 3.9 m.
Is UWAKAI on the Master's Mate Safety Initiative Network?
Not yet. If UWAKAI is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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