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 Joshua Humphreys

MMSI 367862000

Not yet on Master's Mate

Flag

USA

Length

206.5 m

IMO

8302428

AIS reports

An American vessel, USNS Joshua Humphreys measures 206.5 metres. She broadcasts as MMSI 367862000, IMO 8302428. USNS Joshua Humphreys 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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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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Wherever USNS Joshua Humphreys 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 Joshua Humphreys 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 Joshua Humphreys and switch it all on

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About USNS Joshua Humphreys

What kind of vessel is USNS Joshua Humphreys?

USNS Joshua Humphreys is a vessel flagged to United States of America.

What is USNS Joshua Humphreys's MMSI?

USNS Joshua Humphreys's MMSI is 367862000. IMO 8302428.

How big is USNS Joshua Humphreys?

USNS Joshua Humphreys is about 206.5 m long.

Is USNS Joshua Humphreys on the Master's Mate Safety Initiative Network?

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