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.

Research Vessel

SAN CARLOS

MMSI 366984050 · Call sign WZC7631

Not yet on Master's Mate

Type

Research Vessel

Flag

USA

Length

17 m

Beam

5.5 m

Draft

1.5 m

Call sign

WZC7631

Official No.

CF1244XS

AIS reports

SAN CARLOS is an American boat, 17 metres in length. SAN CARLOS has a beam of 5.5 m and a 1.5 m draft. On AIS she appears as MMSI 366984050, call sign WZC7631. The Master's Mate Safety Initiative Network welcomes SAN CARLOS — free to join, cruiser-run, and always on watch.

Free forever · No credit card

Is SAN CARLOS your boat?

Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.

Claim this boat — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever SAN CARLOS 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

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put SAN CARLOS on the map. It hands you the full bridge:

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.

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim SAN CARLOS and switch it all on

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Claim free → unlock everything

About SAN CARLOS

What kind of vessel is SAN CARLOS?

SAN CARLOS is a Research Vessel flagged to United States of America.

What is SAN CARLOS's MMSI?

SAN CARLOS's MMSI is 366984050. Call sign WZC7631.

How big is SAN CARLOS?

SAN CARLOS is about 17 m long, 5.5 m on the beam, drawing 1.5 m.

Is SAN CARLOS on the Master's Mate Safety Initiative Network?

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