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)

Charles I

MMSI 367470530 · Call sign WDF6090

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

23 m

Beam

4.9 m

Draft

0.9 m

Call sign

WDF6090

Official No.

0935094

AIS reports

On the American registry, Charles I is a 23-metre passenger craft. Below, she has 4.9 metres in the beam and a draft measuring 0.9 metres. She's on record as MMSI 367470530, call sign WDF6090. The Master's Mate Safety Initiative Network welcomes Charles I — free to join, cruiser-run, and always on watch.

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

Keep every soul aboard Charles I 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 Charles I 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 Charles I 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 Charles I and switch it all on

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

Claim free → unlock everything

About Charles I

What kind of vessel is Charles I?

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

What is Charles I's MMSI?

Charles I's MMSI is 367470530. Call sign WDF6090.

How big is Charles I?

Charles I is about 23 m long, 4.9 m on the beam, drawing 0.9 m.

Is Charles I on the Master's Mate Safety Initiative Network?

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