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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.
Public Vessel, Unclassified

Guardian III

MMSI 367417430 · Call sign WDE9455

Not yet on Master's Mate
Type
Public Vessel, Unclassified
Flag
USAUSA
Length
14.1 m
Beam
4.4 m
Draft
2 m
Call sign
WDE9455
Official No.
1135344
Hull ID
WES42043K102
AIS reports
1

Out of the United States, Guardian III is a 14.1-metre vessel. She has a 4.4 m beam and a draft measuring 2 metres. Her papers read MMSI 367417430, call sign WDE9455. Put Guardian III on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.

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Is Guardian III 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 Guardian III 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 Guardian III 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 Guardian III and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Guardian III

What kind of vessel is Guardian III?
Guardian III is a Public Vessel, Unclassified flagged to United States of America.
What is Guardian III's MMSI?
Guardian III's MMSI is 367417430. Call sign WDE9455.
How big is Guardian III?
Guardian III is about 14.1 m long, 4.4 m on the beam, drawing 2 m.
Is Guardian III on the Master's Mate Safety Initiative Network?
Not yet. If Guardian III is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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