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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

Louis Develle

MMSI 368121940 · Call sign WDL3473

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
35.4 m
Beam
10.7 m
Draft
3.5 m
Call sign
WDL3473
Official No.
1299327
AIS reports
1

An American service vessel, Louis Develle measures 35.4 metres. She's built with a beam measuring 10.7 metres and a 3.5 m draft. She broadcasts as MMSI 368121940, call sign WDL3473. Louis Develle is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

Free forever · No credit card · for working boats

Built for boats that work — like Louis Develle.

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 Louis Develle 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 Louis Develle 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 Louis Develle and switch it all on
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Claim free → unlock everything

About Louis Develle

What kind of vessel is Louis Develle?
Louis Develle is a Towing Vessel flagged to United States of America.
What is Louis Develle's MMSI?
Louis Develle's MMSI is 368121940. Call sign WDL3473.
How big is Louis Develle?
Louis Develle is about 35.4 m long, 10.7 m on the beam, drawing 3.5 m.
Is Louis Develle on the Master's Mate Safety Initiative Network?
Not yet. If Louis Develle is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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