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.
Passenger (Inspected)
Courtney Thomas
MMSI 367022690 · Call sign WDC4304
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
19.8 m
Beam
5.2 m
Draft
2.6 m
Call sign
WDC4304
Official No.
942568
AIS reports
1
An American passenger ferry, Courtney Thomas measures 19.8 metres. Below, she has a 5.2-metre beam and a draft of 2.6 m. On the registers she's MMSI 367022690, call sign WDC4304. It's free to add Courtney Thomas to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Courtney Thomas safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Courtney Thomas 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Courtney Thomas on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 Courtney Thomas and switch it all on
Free to join · nothing to install to start · cancel anytime
About Courtney Thomas
What kind of vessel is Courtney Thomas?
Courtney Thomas is a Passenger (Inspected) flagged to United States of America.
What is Courtney Thomas's MMSI?
Courtney Thomas's MMSI is 367022690. Call sign WDC4304.
How big is Courtney Thomas?
Courtney Thomas is about 19.8 m long, 5.2 m on the beam, drawing 2.6 m.
Is Courtney Thomas on the Master's Mate Safety Initiative Network?
Not yet. If Courtney Thomas is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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