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)

Dreadnaught

MMSI 368199260 · Call sign WDM3660

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

10.7 m

Beam

3.4 m

Draft

1.4 m

Call sign

WDM3660

Official No.

1302677

AIS reports

Dreadnaught is an excursion vessel under the American flag, 10.7 metres from stem to stern. Dreadnaught has 3.4 metres in the beam and a 1.4-metre draft. She broadcasts as MMSI 368199260, call sign WDM3660. Claim Dreadnaught free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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

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

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

Claim free → unlock everything

About Dreadnaught

What kind of vessel is Dreadnaught?

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

What is Dreadnaught's MMSI?

Dreadnaught's MMSI is 368199260. Call sign WDM3660.

How big is Dreadnaught?

Dreadnaught is about 10.7 m long, 3.4 m on the beam, drawing 1.4 m.

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

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