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
DAI 18SEIUNMARU
Cargo · last seen 34°N 135°E · Jun 2026 · MMSI 431011092 · Call sign JD4363
Not yet on Master's MateType
Cargo
Length
75 m
Beam
12 m
Draft
4.8 m
Call sign
JD4363
IMO
9838319
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
8
DAI 18SEIUNMARU is a merchant ship, 75 metres on deck. Below, she has a 12-metre beam and a draft measuring 4.8 metres. On the registers she's MMSI 431011092, call sign JD4363, IMO 9838319. DAI 18SEIUNMARU can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for commercial operators
Eyes on DAI 18SEIUNMARU, 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 04:58 UTC
Position
34.2359° N, 135.1186° E
Status
Under way (engine)
Speed
5.7 kn
Course
99°
Destination
JP WAK
ETA
06-16 13:00 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 DAI 18SEIUNMARU 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 DAI 18SEIUNMARU and switch it all on
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About DAI 18SEIUNMARU
What kind of vessel is DAI 18SEIUNMARU?
DAI 18SEIUNMARU is a Cargo.
Where was DAI 18SEIUNMARU last seen?
DAI 18SEIUNMARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is DAI 18SEIUNMARU's MMSI?
DAI 18SEIUNMARU's MMSI is 431011092. Call sign JD4363. IMO 9838319.
How big is DAI 18SEIUNMARU?
DAI 18SEIUNMARU is about 75 m long, 12 m on the beam, drawing 4.8 m.
Is DAI 18SEIUNMARU on the Master's Mate Safety Initiative Network?
Not yet. If DAI 18SEIUNMARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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