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.

Vessel

USNS Cesar Chavez

MMSI 369989000

Not yet on Master's Mate

Flag

USA

Length

210 m

IMO

9593127

AIS reports

USNS Cesar Chavez, an American boat, measures 210 metres on deck. Her registration reads MMSI 369989000, IMO 9593127. USNS Cesar Chavez can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

Free forever · No credit card

Is USNS Cesar Chavez 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.

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

Wherever USNS Cesar Chavez 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 USNS Cesar Chavez 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 USNS Cesar Chavez and switch it all on

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About USNS Cesar Chavez

What kind of vessel is USNS Cesar Chavez?

USNS Cesar Chavez is a vessel flagged to United States of America.

What is USNS Cesar Chavez's MMSI?

USNS Cesar Chavez's MMSI is 369989000. IMO 9593127.

How big is USNS Cesar Chavez?

USNS Cesar Chavez is about 210 m long.

Is USNS Cesar Chavez on the Master's Mate Safety Initiative Network?

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