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.
Offshore Supply Vessel
Alex Chouest
MMSI 338469000 · Call sign WDN7942
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
84.1 m
Beam
18.3 m
Draft
8.4 m
Call sign
WDN7942
IMO
9132337
Official No.
1087360
AIS reports
4
An American service vessel, Alex Chouest measures 84.1 metres. Alex Chouest has a beam measuring 18.3 metres and a 8.4 m draft. Find her under MMSI 338469000, call sign WDN7942, IMO 9132337. There's a place for Alex Chouest on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for working boats
Built for boats that work — like Alex Chouest.
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 Alex Chouest 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 Alex Chouest 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 Alex Chouest and switch it all on
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About Alex Chouest
What kind of vessel is Alex Chouest?
Alex Chouest is a Offshore Supply Vessel flagged to United States of America.
What is Alex Chouest's MMSI?
Alex Chouest's MMSI is 338469000. Call sign WDN7942. IMO 9132337.
How big is Alex Chouest?
Alex Chouest is about 84.1 m long, 18.3 m on the beam, drawing 8.4 m.
Is Alex Chouest on the Master's Mate Safety Initiative Network?
Not yet. If Alex Chouest is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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