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
M/V Caroline
MMSI 366985280 · Call sign WDB9930
Not yet on Master's MateType
Towing Vessel
Flag
USALength
24.7 m
Beam
10.7 m
Draft
2.3 m
Call sign
WDB9930
Official No.
904702
AIS reports
1
On the American registry, M/V Caroline is a 24.7-metre utility boat. M/V Caroline has a 10.7-metre beam and a 2.3-metre draft. She's on record as MMSI 366985280, call sign WDB9930. The Master's Mate Safety Initiative Network welcomes M/V Caroline — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working boats
Built for boats that work — like M/V Caroline.
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 M/V Caroline 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 M/V Caroline 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 M/V Caroline and switch it all on
Free to join · nothing to install to start · cancel anytime
About M/V Caroline
What kind of vessel is M/V Caroline?
M/V Caroline is a Towing Vessel flagged to United States of America.
What is M/V Caroline's MMSI?
M/V Caroline's MMSI is 366985280. Call sign WDB9930.
How big is M/V Caroline?
M/V Caroline is about 24.7 m long, 10.7 m on the beam, drawing 2.3 m.
Is M/V Caroline on the Master's Mate Safety Initiative Network?
Not yet. If M/V Caroline is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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