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

Greenwich Police 134

United States of America · MMSI 367694390 · Call sign WDI4027

Not yet on Master's Mate

Flag

USA

Call sign

WDI4027

AIS reports

Greenwich Police 134 is an American boat. She broadcasts as MMSI 367694390, call sign WDI4027. Join Greenwich Police 134 to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

Free forever · No credit card

Is Greenwich Police 134 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 Greenwich Police 134 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 Greenwich Police 134 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 Greenwich Police 134 and switch it all on

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About Greenwich Police 134

What kind of vessel is Greenwich Police 134?

Greenwich Police 134 is a vessel flagged to United States of America.

What is Greenwich Police 134's MMSI?

Greenwich Police 134's MMSI is 367694390. Call sign WDI4027.

Is Greenwich Police 134 on the Master's Mate Safety Initiative Network?

Not yet. If Greenwich Police 134 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).