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.

Commercial Fishing Vessel

SAO PAULO

MMSI 366215330 · Call sign WBA2263

Not yet on Master's Mate

Type

Commercial Fishing Vessel

Flag

USA

Length

23 m

Beam

6.7 m

Draft

3.4 m

Call sign

WBA2263

IMO

7731294

Official No.

581723

AIS reports

Out of the United States, SAO PAULO is a 23-metre working fishing boat. She's built with a beam measuring 6.7 metres and a 3.4 m draft. Officially she's MMSI 366215330, call sign WBA2263, IMO 7731294. Add SAO PAULO to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

Free forever · No credit card · for working captains

Know where the fleet is. Get SAO PAULO home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

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

Wherever SAO PAULO 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 working captains

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

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

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.

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.

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 SAO PAULO and switch it all on

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

Claim free → unlock everything

About SAO PAULO

What kind of vessel is SAO PAULO?

SAO PAULO is a Commercial Fishing Vessel flagged to United States of America.

What is SAO PAULO's MMSI?

SAO PAULO's MMSI is 366215330. Call sign WBA2263. IMO 7731294.

How big is SAO PAULO?

SAO PAULO is about 23 m long, 6.7 m on the beam, drawing 3.4 m.

Is SAO PAULO on the Master's Mate Safety Initiative Network?

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