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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
CHARLIE-C
MMSI 366961220 · Call sign WDK9533
Not yet on Master's MateType
Towing Vessel
Flag
USALength
148 m
Beam
23 m
Draft
2.9 m
Call sign
WDK9533
IMO
7237468
Official No.
544273
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
44
CHARLIE-C is an utility boat flying the flag of the United States, 148 metres from stem to stern. She's built with 23 metres in the beam and a 2.9-metre draft. Look for MMSI 366961220, call sign WDK9533, IMO 7237468. Bring CHARLIE-C aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for working boats
Built for boats that work — like CHARLIE-C.
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
Live AIS position · Jun 9, 2026 22:53 UTC
Position
29.7928° N, 95.0660° W
Status
Pushing ahead
Speed
0.0 kn
Course
277°
Working the Gulf of Mexico? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put CHARLIE-C 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 CHARLIE-C and switch it all on
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About CHARLIE-C
What kind of vessel is CHARLIE-C?
CHARLIE-C is a Towing Vessel flagged to United States of America.
Where was CHARLIE-C last seen?
CHARLIE-C was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is CHARLIE-C's MMSI?
CHARLIE-C's MMSI is 366961220. Call sign WDK9533. IMO 7237468.
How big is CHARLIE-C?
CHARLIE-C is about 148 m long, 23 m on the beam, drawing 2.9 m.
Is CHARLIE-C on the Master's Mate Safety Initiative Network?
Not yet. If CHARLIE-C is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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