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)

San Juan Cat

MMSI 367503490 · Call sign WDK9274

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

11.6 m

Beam

3.6 m

Draft

1.1 m

Call sign

WDK9274

Official No.

1235264

Hull ID

MXB38625H808

AIS reports

San Juan Cat is an excursion vessel registered in the United States, 11.6 metres from stem to stern. She carries a beam of 3.6 m and a 1.1-metre draft. Find her under MMSI 367503490, call sign WDK9274. Claim San Juan Cat 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 San Juan Cat 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 San Juan Cat 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 San Juan Cat 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 San Juan Cat and switch it all on

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Claim free → unlock everything

About San Juan Cat

What kind of vessel is San Juan Cat?

San Juan Cat is a Passenger (Inspected) flagged to United States of America.

What is San Juan Cat's MMSI?

San Juan Cat's MMSI is 367503490. Call sign WDK9274.

How big is San Juan Cat?

San Juan Cat is about 11.6 m long, 3.6 m on the beam, drawing 1.1 m.

Is San Juan Cat on the Master's Mate Safety Initiative Network?

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