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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

GENKAI MARU NO.1

Tanker · last seen 35°N 135°E · Jun 2026 · MMSI 431016957 · Call sign JD4950

Not yet on Master's Mate
Type
Tanker
Length
53 m
Beam
9 m
Draft
3.8 m
Call sign
JD4950
IMO
9900447
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6

GENKAI MARU NO.1 is a 53-metre tank ship. GENKAI MARU NO.1 has 9 metres in the beam and a 3.8 m draft. Officially she's MMSI 431016957, call sign JD4950, IMO 9900447. There's a place for GENKAI MARU NO.1 on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.

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Live AIS position · Jun 15, 2026 13:19 UTC
Position
34.6547° N, 135.3645° E
Status
Under way (engine)
Speed
0.1 kn
Course
135°
Destination
JP-OSA-OFF
ETA
06-15 20:00 UTC
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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 GENKAI MARU NO.1

What kind of vessel is GENKAI MARU NO.1?
GENKAI MARU NO.1 is a Tanker.
Where was GENKAI MARU NO.1 last seen?
GENKAI MARU NO.1 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is GENKAI MARU NO.1's MMSI?
GENKAI MARU NO.1's MMSI is 431016957. Call sign JD4950. IMO 9900447.
How big is GENKAI MARU NO.1?
GENKAI MARU NO.1 is about 53 m long, 9 m on the beam, drawing 3.8 m.
Is GENKAI MARU NO.1 on the Master's Mate Safety Initiative Network?
Not yet. If GENKAI MARU NO.1 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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