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

Captain Alex

MMSI 368243170 · Call sign WDM8422

Not yet on Master's Mate

Flag

USA

Call sign

WDM8422

Official No.

1047030

AIS reports

Captain Alex is a vessel flying the American flag. Find her under MMSI 368243170, call sign WDM8422. Captain Alex belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

Free forever · No credit card

Is Captain Alex 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 Captain Alex 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 Captain Alex 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 Captain Alex and switch it all on

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About Captain Alex

What kind of vessel is Captain Alex?

Captain Alex is a vessel flagged to United States of America.

What is Captain Alex's MMSI?

Captain Alex's MMSI is 368243170. Call sign WDM8422.

Is Captain Alex on the Master's Mate Safety Initiative Network?

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