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.

Research Vessel

Miss Caroline

MMSI 368091990 · Call sign WDK8217

Not yet on Master's Mate

Type

Research Vessel

Flag

USA

Length

12.8 m

Beam

4.4 m

Draft

2.1 m

Call sign

WDK8217

Official No.

982433

Hull ID

DUJ08442F991

AIS reports

Miss Caroline, a craft hailing from the United States, measures 12.8 metres on deck. Miss Caroline has a beam of 4.4 m and a 2.1 m draft. Officially she's MMSI 368091990, call sign WDK8217. Miss Caroline is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

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Is Miss Caroline your boat?

Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.

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Wherever Miss 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.

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Joining the Safety Initiative Network doesn't just put Miss Caroline on the map. It hands you the full bridge:

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.

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.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim Miss Caroline and switch it all on

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About Miss Caroline

What kind of vessel is Miss Caroline?

Miss Caroline is a Research Vessel flagged to United States of America.

What is Miss Caroline's MMSI?

Miss Caroline's MMSI is 368091990. Call sign WDK8217.

How big is Miss Caroline?

Miss Caroline is about 12.8 m long, 4.4 m on the beam, drawing 2.1 m.

Is Miss Caroline on the Master's Mate Safety Initiative Network?

Not yet. If Miss Caroline is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).