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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.
Towing Vessel

PATHFINDER

MMSI 367690850 · Call sign WDI3684

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
11 m
Beam
4.3 m
Draft
1.8 m
Call sign
WDI3684
Official No.
676024
AIS reports
1

PATHFINDER, a working craft flying the American flag, measures 11 metres on deck. Below, she has 4.3 metres in the beam and a draft of 1.8 m. Look for MMSI 367690850, call sign WDI3684. Put PATHFINDER on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.

Free forever · No credit card · for working boats

Built for boats that work — like PATHFINDER.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever PATHFINDER 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 · for working boats

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put PATHFINDER on the map. It hands you the full bridge:

Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim PATHFINDER and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About PATHFINDER

What kind of vessel is PATHFINDER?
PATHFINDER is a Towing Vessel flagged to United States of America.
What is PATHFINDER's MMSI?
PATHFINDER's MMSI is 367690850. Call sign WDI3684.
How big is PATHFINDER?
PATHFINDER is about 11 m long, 4.3 m on the beam, drawing 1.8 m.
Is PATHFINDER on the Master's Mate Safety Initiative Network?
Not yet. If PATHFINDER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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