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 (Inspected)

Spirit Of Independence

MMSI 367529640 · Call sign WDG3787

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

18.7 m

Beam

5.2 m

Draft

2.4 m

Call sign

WDG3787

Official No.

1191393

Hull ID

MOZ040011204

AIS reports

Spirit Of Independence is an American 18.7-metre ferry vessel. Her hull carries a beam of 5.2 m and a draft of 2.4 m. Her registration reads MMSI 367529640, call sign WDG3787. Give Spirit Of Independence the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

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

Keep every soul aboard Spirit Of Independence 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 Spirit Of Independence 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 Spirit Of Independence 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 Spirit Of Independence and switch it all on

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

Claim free → unlock everything

About Spirit Of Independence

What kind of vessel is Spirit Of Independence?

Spirit Of Independence is a Passenger (Inspected) flagged to United States of America.

What is Spirit Of Independence's MMSI?

Spirit Of Independence's MMSI is 367529640. Call sign WDG3787.

How big is Spirit Of Independence?

Spirit Of Independence is about 18.7 m long, 5.2 m on the beam, drawing 2.4 m.

Is Spirit Of Independence on the Master's Mate Safety Initiative Network?

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