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 Howard O. Lorenzen

MMSI 369998000

Not yet on Master's Mate

Flag

USA

Length

163 m

IMO

9416680

AIS reports

On the American registry, USNS Howard O. Lorenzen is a 163-metre boat. Look for MMSI 369998000, IMO 9416680. USNS Howard O. Lorenzen 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 Howard O. Lorenzen 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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Wherever USNS Howard O. Lorenzen 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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Joining the Safety Initiative Network doesn't just put USNS Howard O. Lorenzen 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.

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About USNS Howard O. Lorenzen

What kind of vessel is USNS Howard O. Lorenzen?

USNS Howard O. Lorenzen is a vessel flagged to United States of America.

What is USNS Howard O. Lorenzen's MMSI?

USNS Howard O. Lorenzen's MMSI is 369998000. IMO 9416680.

How big is USNS Howard O. Lorenzen?

USNS Howard O. Lorenzen is about 163 m long.

Is USNS Howard O. Lorenzen on the Master's Mate Safety Initiative Network?

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