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.

Passenger (Uninspected)

Southern Belle

MMSI 366861850 · Call sign WDA9140

Not yet on Master's Mate

Type

Passenger (Uninspected)

Flag

USA

Length

14.3 m

Beam

4.9 m

Draft

2.4 m

Call sign

WDA9140

Official No.

948097

Hull ID

DYW47130A888

AIS reports

Southern Belle is a passenger ferry hailing from the United States, 14.3 metres long. Her hull carries a 4.9-metre beam and a draft of 2.4 m. Officially she's MMSI 366861850, call sign WDA9140. Bring Southern Belle aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

Free forever · No credit card · for passenger & charter operators

Keep every soul aboard Southern Belle safe.

Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.

Switch on the safety stack — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Southern Belle 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 passenger & charter operators

The most powerful cruising platform ever built — yours, free.

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

Distress Mesh

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

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

Systems Monitoring

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

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

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 Southern Belle and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About Southern Belle

What kind of vessel is Southern Belle?

Southern Belle is a Passenger (Uninspected) flagged to United States of America.

What is Southern Belle's MMSI?

Southern Belle's MMSI is 366861850. Call sign WDA9140.

How big is Southern Belle?

Southern Belle is about 14.3 m long, 4.9 m on the beam, drawing 2.4 m.

Is Southern Belle on the Master's Mate Safety Initiative Network?

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