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)

Patriot

MMSI 367611530 · Call sign WDH3845

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

9.1 m

Beam

3.2 m

Draft

1.7 m

Call sign

WDH3845

IMO

1273771

Official No.

1252260

Hull ID

FLZHH368B414

AIS reports

Patriot, an American passenger vessel, measures 9.1 metres on deck. Patriot has a beam measuring 3.2 metres and a 1.7 m draft. She's listed under MMSI 367611530, call sign WDH3845, IMO 1273771. Patriot carries passengers; the free Master's Mate Safety Initiative Network helps carry the watch, with distress alerting and a network nearby.

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

Keep every soul aboard Patriot 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 Patriot 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 Patriot 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 Patriot and switch it all on

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

Claim free → unlock everything

About Patriot

What kind of vessel is Patriot?

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

What is Patriot's MMSI?

Patriot's MMSI is 367611530. Call sign WDH3845. IMO 1273771.

How big is Patriot?

Patriot is about 9.1 m long, 3.2 m on the beam, drawing 1.7 m.

Is Patriot on the Master's Mate Safety Initiative Network?

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