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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.
Cargo

SADAMARU NO.63

MMSI 431008969 · Call sign JD4058

Not yet on Master's Mate
Type
Cargo
Flag
JPNJPN
Length
77 m
Beam
14 m
Draft
5 m
Call sign
JD4058
IMO
9798533
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
18

SADAMARU NO.63 is a Japanese 77-metre merchant vessel. She's built with a beam of 14 m and a 5 m draft. She broadcasts as MMSI 431008969, call sign JD4058, IMO 9798533. Give SADAMARU NO.63 the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

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Last known position · Jun 4, 2026
Position
35.4984° N, 139.8914° E
Transiting the Sea of Japan? You're never out there alone.
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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
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Hail Any Captain
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About SADAMARU NO.63

What kind of vessel is SADAMARU NO.63?
SADAMARU NO.63 is a Cargo flagged to Japan.
Where was SADAMARU NO.63 last seen?
SADAMARU NO.63 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is SADAMARU NO.63's MMSI?
SADAMARU NO.63's MMSI is 431008969. Call sign JD4058. IMO 9798533.
How big is SADAMARU NO.63?
SADAMARU NO.63 is about 77 m long, 14 m on the beam, drawing 5 m.
Is SADAMARU NO.63 on the Master's Mate Safety Initiative Network?
Not yet. If SADAMARU NO.63 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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