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
Hosei Crown
MMSI 357840000
Not yet on Master's MateFlag
PANLength
120 m
IMO
9543926
AIS reports
2
Hosei Crown, a craft sailing under the Panamanian flag, measures 120 metres on deck. Officially she's MMSI 357840000, IMO 9543926. Hosei Crown can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card
Is Hosei Crown 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 Hosei Crown 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 Hosei Crown 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 Hosei Crown and switch it all on
Free to join · nothing to install to start · cancel anytime
About Hosei Crown
What kind of vessel is Hosei Crown?
Hosei Crown is a vessel flagged to Panama.
What is Hosei Crown's MMSI?
Hosei Crown's MMSI is 357840000. IMO 9543926.
How big is Hosei Crown?
Hosei Crown is about 120 m long.
Is Hosei Crown on the Master's Mate Safety Initiative Network?
Not yet. If Hosei Crown is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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