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.

UNSPECIFIED

SYMBOL

U.S. Official No. 239504

Not yet on Master's Mate

Type

UNSPECIFIED

Flag

USA

Length

11.2 m

Beam

3.7 m

Draft

1.7 m

First reported

Jun 2026

AIS reports

On the American registry, SYMBOL is an 11.2-metre vessel. SYMBOL has a 3.7-metre beam and a 1.7-metre draft. She's listed under U.S. official number 239504. The Master's Mate Safety Initiative Network welcomes SYMBOL — free to join, cruiser-run, and always on watch.

Free forever · No credit card

Is SYMBOL 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 SYMBOL 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 SYMBOL 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 SYMBOL and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About SYMBOL

What kind of vessel is SYMBOL?

SYMBOL is a UNSPECIFIED flagged to United States of America.

What is SYMBOL's U.S. Official No.?

SYMBOL's U.S. Official No. is 239504.

How big is SYMBOL?

SYMBOL is about 11.2 m long, 3.7 m on the beam, drawing 1.7 m.

Is SYMBOL on the Master's Mate Safety Initiative Network?

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