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
NO.3 DAIEIMARU
MMSI 431004049 · Call sign JD3430
Not yet on Master's MateType
Tanker
Flag
JPNLength
90 m
Beam
15 m
Draft
5.3 m
Call sign
JD3430
IMO
9658305
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
34
Registered in Japan, NO.3 DAIEIMARU is a 90-metre tank ship. She's built with 15 metres in the beam and a 5.3 m draft. Her papers read MMSI 431004049, call sign JD3430, IMO 9658305. NO.3 DAIEIMARU can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for commercial operators
Eyes on NO.3 DAIEIMARU, 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
Last known position · Jun 3, 2026
Position
35.5141° N, 139.9633° E
Transiting 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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put NO.3 DAIEIMARU 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 NO.3 DAIEIMARU and switch it all on
Free to join · nothing to install to start · cancel anytime
About NO.3 DAIEIMARU
What kind of vessel is NO.3 DAIEIMARU?
NO.3 DAIEIMARU is a Tanker flagged to Japan.
Where was NO.3 DAIEIMARU last seen?
NO.3 DAIEIMARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is NO.3 DAIEIMARU's MMSI?
NO.3 DAIEIMARU's MMSI is 431004049. Call sign JD3430. IMO 9658305.
How big is NO.3 DAIEIMARU?
NO.3 DAIEIMARU is about 90 m long, 15 m on the beam, drawing 5.3 m.
Is NO.3 DAIEIMARU on the Master's Mate Safety Initiative Network?
Not yet. If NO.3 DAIEIMARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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