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 PFC Dewayne T. Williams

MMSI 367371000 · Call sign WJKJ

Not yet on Master's Mate

Flag

USA

Length

205 m

Call sign

WJKJ

IMO

8219396

Official No.

678107

AIS reports

USNS PFC Dewayne T. Williams is a craft flagged in the United States, 205 metres long. Her papers read MMSI 367371000, call sign WJKJ, IMO 8219396. Give USNS PFC Dewayne T. Williams the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

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Is USNS PFC Dewayne T. Williams 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 PFC Dewayne T. Williams 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 PFC Dewayne T. Williams 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 PFC Dewayne T. Williams and switch it all on

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About USNS PFC Dewayne T. Williams

What kind of vessel is USNS PFC Dewayne T. Williams?

USNS PFC Dewayne T. Williams is a vessel flagged to United States of America.

What is USNS PFC Dewayne T. Williams's MMSI?

USNS PFC Dewayne T. Williams's MMSI is 367371000. Call sign WJKJ. IMO 8219396.

How big is USNS PFC Dewayne T. Williams?

USNS PFC Dewayne T. Williams is about 205 m long.

Is USNS PFC Dewayne T. Williams on the Master's Mate Safety Initiative Network?

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