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 Vessel
Carol P
MMSI 366971910 · Call sign WDB9221
Not yet on Master's MateType
Towing Vessel
Flag
USALength
48.3 m
Beam
13.7 m
Draft
3.5 m
Call sign
WDB9221
Official No.
978046
AIS reports
1
Carol P is an American harbour workboat — 48.3 metres overall. Her hull carries a 13.7 m beam and a draft of 3.5 m. Officially she's MMSI 366971910, call sign WDB9221. Carol P is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for working boats
Built for boats that work — like Carol P.
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 Carol P 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 Carol P 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 Carol P and switch it all on
Free to join · nothing to install to start · cancel anytime
About Carol P
What kind of vessel is Carol P?
Carol P is a Towing Vessel flagged to United States of America.
What is Carol P's MMSI?
Carol P's MMSI is 366971910. Call sign WDB9221.
How big is Carol P?
Carol P is about 48.3 m long, 13.7 m on the beam, drawing 3.5 m.
Is Carol P on the Master's Mate Safety Initiative Network?
Not yet. If Carol P is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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