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.

Recreational

UNDERDOG

U.S. Official No. 1336319

Not yet on Master's Mate

Type

Recreational

Flag

USA

Length

12.6 m

Beam

3.4 m

Draft

1.9 m

First reported

Jun 2026

AIS reports

UNDERDOG, a cruising boat hailing from the United States, measures 12.6 metres on deck. UNDERDOG has a 3.4 m beam and a 1.9-metre draft. She's on record as U.S. official number 1336319. Claim UNDERDOG free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card · for recreational captains

Keep UNDERDOG looked after — even when you’re not aboard.

Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.

Look after her — claim free →

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

Wherever UNDERDOG 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 · for recreational captains

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put UNDERDOG 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.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

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 UNDERDOG and switch it all on

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

Claim free → unlock everything

About UNDERDOG

What kind of vessel is UNDERDOG?

UNDERDOG is a Recreational flagged to United States of America.

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

UNDERDOG's U.S. Official No. is 1336319.

How big is UNDERDOG?

UNDERDOG is about 12.6 m long, 3.4 m on the beam, drawing 1.9 m.

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

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