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
DEBRA C
MMSI 367027570 · Call sign WDM8821
Not yet on Master's MateType
Towing
Flag
USALength
39 m
Beam
10 m
Draft
5.1 m
Call sign
WDM8821
IMO
7129817
Official No.
534202
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
DEBRA C, a harbour workboat flagged in the United States, measures 39 metres on deck. Her hull carries a 10-metre beam and a draft of 5.1 m. Her registration reads MMSI 367027570, call sign WDM8821, IMO 7129817. Put DEBRA C on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like DEBRA 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 12:55 UTC
Position
33.9176° N, 78.0093° W
Status
Under way (engine)
Speed
7.5 kn
Course
238°
Wherever DEBRA C 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 DEBRA 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 DEBRA C and switch it all on
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About DEBRA C
What kind of vessel is DEBRA C?
DEBRA C is a Towing flagged to United States of America.
Where was DEBRA C last seen?
DEBRA C was last reported in around 34°N 78°W in Jun 2026 on public AIS.
What is DEBRA C's MMSI?
DEBRA C's MMSI is 367027570. Call sign WDM8821. IMO 7129817.
How big is DEBRA C?
DEBRA C is about 39 m long, 10 m on the beam, drawing 5.1 m.
Is DEBRA C on the Master's Mate Safety Initiative Network?
Not yet. If DEBRA C is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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