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.
Recreational
GUEST HOUSE
MMSI 366990230 · Call sign WCO9416
Not yet on Master's MateType
Recreational
Flag
USALength
22 m
Beam
5.6 m
Draft
3.3 m
Call sign
WCO9416
Official No.
688507
AIS reports
1
Registered in the United States, GUEST HOUSE is a 22-metre leisure boat. GUEST HOUSE has a beam measuring 5.6 metres and a 3.3-metre draft. On the registers she's MMSI 366990230, call sign WCO9416. Put GUEST HOUSE on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for recreational captains
Keep GUEST HOUSE looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever GUEST HOUSE 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 · for recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put GUEST HOUSE 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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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 GUEST HOUSE and switch it all on
Free to join · nothing to install to start · cancel anytime
About GUEST HOUSE
What kind of vessel is GUEST HOUSE?
GUEST HOUSE is a Recreational flagged to United States of America.
What is GUEST HOUSE's MMSI?
GUEST HOUSE's MMSI is 366990230. Call sign WCO9416.
How big is GUEST HOUSE?
GUEST HOUSE is about 22 m long, 5.6 m on the beam, drawing 3.3 m.
Is GUEST HOUSE on the Master's Mate Safety Initiative Network?
Not yet. If GUEST HOUSE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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