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
HISATSU MARU
Cargo · last seen 35°N 135°E · Jun 2026 · MMSI 431011766 · Call sign JD4393
Not yet on Master's MateType
Cargo
Length
76 m
Beam
12 m
Draft
4.5 m
Call sign
JD4393
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
11
HISATSU MARU is a 76-metre ocean freighter. She has a beam measuring 12 metres and a draft of 4.5 m. On AIS she shows as MMSI 431011766, call sign JD4393. Give HISATSU MARU the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for commercial operators
Eyes on HISATSU 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 13:25 UTC
Position
34.6840° N, 134.7833° E
Status
Under way (engine)
Speed
10.0 kn
Course
278°
Destination
>JP HHR OFF
ETA
06-15 22:00 UTC
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put HISATSU 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 HISATSU MARU and switch it all on
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About HISATSU MARU
What kind of vessel is HISATSU MARU?
HISATSU MARU is a Cargo.
Where was HISATSU MARU last seen?
HISATSU MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is HISATSU MARU's MMSI?
HISATSU MARU's MMSI is 431011766. Call sign JD4393.
How big is HISATSU MARU?
HISATSU MARU is about 76 m long, 12 m on the beam, drawing 4.5 m.
Is HISATSU MARU on the Master's Mate Safety Initiative Network?
Not yet. If HISATSU MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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