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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

Grainne

MMSI 367387990 · Call sign WDE7027

Not yet on Master's Mate
Flag
USAUSA
Call sign
WDE7027
Official No.
NY1431LJ
AIS reports
1

Grainne flies the American flag — a vessel. She broadcasts as MMSI 367387990, call sign WDE7027. It's free to add Grainne 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 Grainne 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 Grainne 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 Grainne 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 Grainne and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Grainne

What kind of vessel is Grainne?
Grainne is a vessel flagged to United States of America.
What is Grainne's MMSI?
Grainne's MMSI is 367387990. Call sign WDE7027.
Is Grainne on the Master's Mate Safety Initiative Network?
Not yet. If Grainne is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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