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
THE JOHNNY B
MMSI 366609380 · Call sign WCI8838
Not yet on Master's MateFlag
USACall sign
WCI8838
Official No.
NY1795UM
AIS reports
1
On the American registry, THE JOHNNY B is a craft. Look for MMSI 366609380, call sign WCI8838. Join THE JOHNNY B to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card
Is THE JOHNNY B 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 THE JOHNNY B 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 THE JOHNNY B 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 THE JOHNNY B and switch it all on
Free to join · nothing to install to start · cancel anytime
About THE JOHNNY B
What kind of vessel is THE JOHNNY B?
THE JOHNNY B is a vessel flagged to United States of America.
What is THE JOHNNY B's MMSI?
THE JOHNNY B's MMSI is 366609380. Call sign WCI8838.
Is THE JOHNNY B on the Master's Mate Safety Initiative Network?
Not yet. If THE JOHNNY B is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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