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
Gray Dog
MMSI 367167580 · Call sign WDD6045
Not yet on Master's MateFlag
USACall sign
WDD6045
Official No.
WN5463NT
AIS reports
1
Gray Dog is an American boat. She broadcasts as MMSI 367167580, call sign WDD6045. Gray Dog 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 Gray Dog 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 Gray Dog 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 Gray Dog 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 Gray Dog and switch it all on
Free to join · nothing to install to start · cancel anytime
About Gray Dog
What kind of vessel is Gray Dog?
Gray Dog is a vessel flagged to United States of America.
What is Gray Dog's MMSI?
Gray Dog's MMSI is 367167580. Call sign WDD6045.
Is Gray Dog on the Master's Mate Safety Initiative Network?
Not yet. If Gray Dog is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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