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.
Cargo
YUSEI MARU NO.1
Cargo · last seen 36°N 140°E · Jun 2026 · MMSI 431014016 · Call sign JD4686
Not yet on Master's MateType
Cargo
Length
49 m
Beam
12 m
Draft
1.4 m
Call sign
JD4686
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
10
YUSEI MARU NO.1 is a 49-metre cargo ship. She's built with a beam of 12 m and a 1.4 m draft. Officially she's MMSI 431014016, call sign JD4686. There's a place for YUSEI MARU NO.1 on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for commercial operators
Eyes on YUSEI MARU NO.1, 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 16, 2026 02:18 UTC
Position
35.6108° N, 139.7692° E
Status
Under way (engine)
Speed
8.9 kn
Course
153°
Destination
JP-TYO-S
ETA
04-08 09:30 UTC
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put YUSEI MARU NO.1 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 YUSEI MARU NO.1 and switch it all on
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About YUSEI MARU NO.1
What kind of vessel is YUSEI MARU NO.1?
YUSEI MARU NO.1 is a Cargo.
Where was YUSEI MARU NO.1 last seen?
YUSEI MARU NO.1 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is YUSEI MARU NO.1's MMSI?
YUSEI MARU NO.1's MMSI is 431014016. Call sign JD4686.
How big is YUSEI MARU NO.1?
YUSEI MARU NO.1 is about 49 m long, 12 m on the beam, drawing 1.4 m.
Is YUSEI MARU NO.1 on the Master's Mate Safety Initiative Network?
Not yet. If YUSEI 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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