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 1st Lt. Jack Lummus

MMSI 367384000 · Call sign WJLV

Not yet on Master's Mate

Flag

USA

Call sign

WJLV

IMO

8302454

Official No.

678109

AIS reports

USNS 1st Lt. Jack Lummus flies the American flag — a vessel. Look for MMSI 367384000, call sign WJLV, IMO 8302454. Bring USNS 1st Lt. Jack Lummus aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

Free forever · No credit card

Is USNS 1st Lt. Jack Lummus 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.

Claim this boat — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever USNS 1st Lt. Jack Lummus 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 1st Lt. Jack Lummus 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 1st Lt. Jack Lummus and switch it all on

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Claim free → unlock everything

About USNS 1st Lt. Jack Lummus

What kind of vessel is USNS 1st Lt. Jack Lummus?

USNS 1st Lt. Jack Lummus is a vessel flagged to United States of America.

What is USNS 1st Lt. Jack Lummus's MMSI?

USNS 1st Lt. Jack Lummus's MMSI is 367384000. Call sign WJLV. IMO 8302454.

Is USNS 1st Lt. Jack Lummus on the Master's Mate Safety Initiative Network?

Not yet. If USNS 1st Lt. Jack Lummus is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).