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)

PRINCESS MARIE

MMSI 367151220 · Call sign WCW9638

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

18.7 m

Beam

6 m

Draft

1.6 m

Call sign

WCW9638

Official No.

573757

AIS reports

PRINCESS MARIE, an American passenger ferry, measures 18.7 metres on deck. She has 6 metres in the beam and a draft of 1.6 m. Her papers read MMSI 367151220, call sign WCW9638. PRINCESS MARIE is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

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

Keep every soul aboard PRINCESS MARIE 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 PRINCESS MARIE 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 PRINCESS MARIE 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 PRINCESS MARIE and switch it all on

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

Claim free → unlock everything

About PRINCESS MARIE

What kind of vessel is PRINCESS MARIE?

PRINCESS MARIE is a Passenger (Inspected) flagged to United States of America.

What is PRINCESS MARIE's MMSI?

PRINCESS MARIE's MMSI is 367151220. Call sign WCW9638.

How big is PRINCESS MARIE?

PRINCESS MARIE is about 18.7 m long, 6 m on the beam, drawing 1.6 m.

Is PRINCESS MARIE on the Master's Mate Safety Initiative Network?

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