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 2nd Lt. John P. Bobo

MMSI 367049000 · Call sign WJKH

Not yet on Master's Mate

Flag

USA

Call sign

WJKH

IMO

8219384

Official No.

678106

AIS reports

USNS 2nd Lt. John P. Bobo is an American boat. She broadcasts as MMSI 367049000, call sign WJKH, IMO 8219384. Add USNS 2nd Lt. John P. Bobo to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

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Is USNS 2nd Lt. John P. Bobo 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 2nd Lt. John P. Bobo 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 2nd Lt. John P. Bobo 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 2nd Lt. John P. Bobo and switch it all on

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About USNS 2nd Lt. John P. Bobo

What kind of vessel is USNS 2nd Lt. John P. Bobo?

USNS 2nd Lt. John P. Bobo is a vessel flagged to United States of America.

What is USNS 2nd Lt. John P. Bobo's MMSI?

USNS 2nd Lt. John P. Bobo's MMSI is 367049000. Call sign WJKH. IMO 8219384.

Is USNS 2nd Lt. John P. Bobo on the Master's Mate Safety Initiative Network?

Not yet. If USNS 2nd Lt. John P. Bobo is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).