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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

BIYO MARU NO.8

Cargo · Japan · last seen 35°N 135°E · Jun 2026 · MMSI 431008983 · Call sign JD4149

Not yet on Master's Mate
Type
Cargo
Flag
JPNJPN
Length
62 m
Beam
9 m
Draft
3.5 m
Call sign
JD4149
IMO
9809320
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
20

BIYO MARU NO.8, a merchant ship wearing Japanese colours, measures 62 metres on deck. She has 9 metres in the beam and a draft measuring 3.5 metres. She's on record as MMSI 431008983, call sign JD4149, IMO 9809320. Add BIYO MARU NO.8 to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.

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Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.

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Live AIS position · Jun 15, 2026 12:28 UTC
Position
34.7815° N, 134.6547° E
Status
Moored
Speed
0.0 kn
Course
129°
Destination
>JP HIM OFF
ETA
06-15 17:30 UTC
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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
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Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
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Onboard Cameras
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Hail Any Captain
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About BIYO MARU NO.8

What kind of vessel is BIYO MARU NO.8?
BIYO MARU NO.8 is a Cargo flagged to Japan.
Where was BIYO MARU NO.8 last seen?
BIYO MARU NO.8 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is BIYO MARU NO.8's MMSI?
BIYO MARU NO.8's MMSI is 431008983. Call sign JD4149. IMO 9809320.
How big is BIYO MARU NO.8?
BIYO MARU NO.8 is about 62 m long, 9 m on the beam, drawing 3.5 m.
Is BIYO MARU NO.8 on the Master's Mate Safety Initiative Network?
Not yet. If BIYO MARU NO.8 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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