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.
Vessel
Hiraozan Maru
MMSI 431602011
Not yet on Master's MateFlag
JPNLength
94 m
IMO
9222687
AIS reports
2
Hiraozan Maru is a craft wearing Japanese colours, 94 metres LOA. On the registers she's MMSI 431602011, IMO 9222687. There's a place for Hiraozan Maru on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card
Is Hiraozan Maru your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Hiraozan Maru roams, 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Hiraozan Maru on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Hiraozan Maru and switch it all on
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About Hiraozan Maru
What kind of vessel is Hiraozan Maru?
Hiraozan Maru is a vessel flagged to Japan.
What is Hiraozan Maru's MMSI?
Hiraozan Maru's MMSI is 431602011. IMO 9222687.
How big is Hiraozan Maru?
Hiraozan Maru is about 94 m long.
Is Hiraozan Maru on the Master's Mate Safety Initiative Network?
Not yet. If Hiraozan Maru is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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