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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

Must Be Nice

MMSI 368278530 · Call sign WDN4167

Not yet on Master's Mate
Flag
USAUSA
Call sign
WDN4167
Official No.
FL9120TH
AIS reports
1

On the American registry, Must Be Nice is a craft. Her papers read MMSI 368278530, call sign WDN4167. Must Be Nice is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

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Is Must Be Nice 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 Must Be Nice 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 Must Be Nice 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 Must Be Nice and switch it all on
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About Must Be Nice

What kind of vessel is Must Be Nice?
Must Be Nice is a vessel flagged to United States of America.
What is Must Be Nice's MMSI?
Must Be Nice's MMSI is 368278530. Call sign WDN4167.
Is Must Be Nice on the Master's Mate Safety Initiative Network?
Not yet. If Must Be Nice is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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