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.

Unclassified

Crystal City

MMSI 367718330 · Call sign WDI6401

Not yet on Master's Mate

Type

Unclassified

Flag

USA

Length

45.7 m

Beam

9.1 m

Draft

1.5 m

Call sign

WDI6401

Official No.

1267623

AIS reports

Crystal City is a boat on the the United States registry, spanning 45.7 metres. Below, she has a 9.1-metre beam and a draft measuring 1.5 metres. She's listed under MMSI 367718330, call sign WDI6401. Crystal City can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

Free forever · No credit card

Is Crystal City 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 Crystal City 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 Crystal City 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 Crystal City and switch it all on

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About Crystal City

What kind of vessel is Crystal City?

Crystal City is a Unclassified flagged to United States of America.

What is Crystal City's MMSI?

Crystal City's MMSI is 367718330. Call sign WDI6401.

How big is Crystal City?

Crystal City is about 45.7 m long, 9.1 m on the beam, drawing 1.5 m.

Is Crystal City on the Master's Mate Safety Initiative Network?

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