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
DAIO MARU
Cargo · last seen 35°N 135°E · Jun 2026 · MMSI 431014378 · Call sign JD4741
Not yet on Master's MateType
Cargo
Length
60 m
Beam
10 m
Draft
4.5 m
Call sign
JD4741
IMO
9893395
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
DAIO MARU is a general cargo ship, spanning 60 metres. Her hull carries a beam of 10 m and a draft measuring 4.5 metres. She's on record as MMSI 431014378, call sign JD4741, IMO 9893395. DAIO MARU 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 DAIO MARU, 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 15, 2026 14:54 UTC
Position
34.7302° N, 134.7635° E
Status
Under way (engine)
Speed
0.1 kn
Course
88°
Destination
JP KRE>JP SKD
ETA
10-29 00:41 UTC
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.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put DAIO MARU 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 DAIO MARU and switch it all on
Free to join · nothing to install to start · cancel anytime
About DAIO MARU
What kind of vessel is DAIO MARU?
DAIO MARU is a Cargo.
Where was DAIO MARU last seen?
DAIO MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is DAIO MARU's MMSI?
DAIO MARU's MMSI is 431014378. Call sign JD4741. IMO 9893395.
How big is DAIO MARU?
DAIO MARU is about 60 m long, 10 m on the beam, drawing 4.5 m.
Is DAIO MARU on the Master's Mate Safety Initiative Network?
Not yet. If DAIO MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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