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
DEUCE
MMSI 366958020 · Call sign WAD4331
Not yet on Master's MateFlag
USACall sign
WAD4331
Official No.
AZ5874AF
AIS reports
1
DEUCE is an American vessel. She's on record as MMSI 366958020, call sign WAD4331. It's free to add DEUCE to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card
Is DEUCE 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 DEUCE 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 DEUCE 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 DEUCE and switch it all on
Free to join · nothing to install to start · cancel anytime
About DEUCE
What kind of vessel is DEUCE?
DEUCE is a vessel flagged to United States of America.
What is DEUCE's MMSI?
DEUCE's MMSI is 366958020. Call sign WAD4331.
Is DEUCE on the Master's Mate Safety Initiative Network?
Not yet. If DEUCE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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