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
Dionne Chouest
MMSI 367039540 · Call sign WDC5334
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
79.7 m
Beam
18.3 m
Draft
7.3 m
Call sign
WDC5334
IMO
9347322
Official No.
1169676
AIS reports
1
Dionne Chouest is an American 79.7-metre workboat. She carries 18.3 metres in the beam and a 7.3 m draft. Find her under MMSI 367039540, call sign WDC5334, IMO 9347322. Sign Dionne Chouest up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for working boats
Built for boats that work — like Dionne 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 Dionne 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 Dionne 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 Dionne Chouest and switch it all on
Free to join · nothing to install to start · cancel anytime
About Dionne Chouest
What kind of vessel is Dionne Chouest?
Dionne Chouest is a Offshore Supply Vessel flagged to United States of America.
What is Dionne Chouest's MMSI?
Dionne Chouest's MMSI is 367039540. Call sign WDC5334. IMO 9347322.
How big is Dionne Chouest?
Dionne Chouest is about 79.7 m long, 18.3 m on the beam, drawing 7.3 m.
Is Dionne Chouest on the Master's Mate Safety Initiative Network?
Not yet. If Dionne Chouest is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.