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 18

MMSI 356932000

Not yet on Master's Mate

Flag

PAN

Length

110.6 m

IMO

9317183

AIS reports

On the Panamanian registry, Hosei 18 is an 110.6-metre boat. Officially she's MMSI 356932000, IMO 9317183. Join Hosei 18 to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

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Is Hosei 18 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.

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Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Hosei 18 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 18 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 18 and switch it all on

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About Hosei 18

What kind of vessel is Hosei 18?

Hosei 18 is a vessel flagged to Panama.

What is Hosei 18's MMSI?

Hosei 18's MMSI is 356932000. IMO 9317183.

How big is Hosei 18?

Hosei 18 is about 110.6 m long.

Is Hosei 18 on the Master's Mate Safety Initiative Network?

Not yet. If Hosei 18 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).