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 Matthew Perry

MMSI 367840000

Not yet on Master's Mate

Flag

USA

Length

210 m

IMO

9383625

AIS reports

USNS Matthew Perry, a boat registered in the United States, measures 210 metres on deck. Her papers read MMSI 367840000, IMO 9383625. USNS Matthew Perry is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

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Is USNS Matthew Perry 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 Matthew Perry roams, you're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

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

Joining the Safety Initiative Network doesn't just put USNS Matthew Perry 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 Matthew Perry and switch it all on

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About USNS Matthew Perry

What kind of vessel is USNS Matthew Perry?

USNS Matthew Perry is a vessel flagged to United States of America.

What is USNS Matthew Perry's MMSI?

USNS Matthew Perry's MMSI is 367840000. IMO 9383625.

How big is USNS Matthew Perry?

USNS Matthew Perry is about 210 m long.

Is USNS Matthew Perry on the Master's Mate Safety Initiative Network?

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