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 Dahl

MMSI 368700000

Not yet on Master's Mate

Flag

USA

Length

289.6 m

IMO

9117040

AIS reports

An American vessel, USNS Dahl measures 289.6 metres. Officially she's MMSI 368700000, IMO 9117040. Sign USNS Dahl up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.

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Is USNS Dahl 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 Dahl 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 Dahl 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 Dahl and switch it all on

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About USNS Dahl

What kind of vessel is USNS Dahl?

USNS Dahl is a vessel flagged to United States of America.

What is USNS Dahl's MMSI?

USNS Dahl's MMSI is 368700000. IMO 9117040.

How big is USNS Dahl?

USNS Dahl is about 289.6 m long.

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

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