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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
TAIHOU MARU
MMSI 431028705 · Call sign JD5629
Not yet on Master's MateType
Cargo
Flag
JPNLength
76 m
Beam
12 m
Draft
4.7 m
Call sign
JD5629
IMO
1128794
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
54
Registered in Japan, TAIHOU MARU is a 76-metre merchant ship. Below, she has a beam of 12 m and a draft measuring 4.7 metres. Officially she's MMSI 431028705, call sign JD5629, IMO 1128794. Claim TAIHOU MARU free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for commercial operators
Eyes on TAIHOU 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
Last known position · Jun 4, 2026
Position
38.3275° N, 141.3855° E
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put TAIHOU 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 TAIHOU MARU and switch it all on
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About TAIHOU MARU
What kind of vessel is TAIHOU MARU?
TAIHOU MARU is a Cargo flagged to Japan.
Where was TAIHOU MARU last seen?
TAIHOU MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is TAIHOU MARU's MMSI?
TAIHOU MARU's MMSI is 431028705. Call sign JD5629. IMO 1128794.
How big is TAIHOU MARU?
TAIHOU MARU is about 76 m long, 12 m on the beam, drawing 4.7 m.
Is TAIHOU MARU on the Master's Mate Safety Initiative Network?
Not yet. If TAIHOU MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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