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

Dos Hermanos

MMSI 367607140 · Call sign WDH3415

Not yet on Master's Mate

Type

Recreational

Flag

USA

Length

12.3 m

Beam

4.5 m

Draft

2.2 m

Call sign

WDH3415

Official No.

936537

AIS reports

Dos Hermanos is a recreational boat listed on the the United States registry, 12.3 metres overall. She carries a beam of 4.5 m and a 2.2-metre draft. On AIS she shows as MMSI 367607140, call sign WDH3415. Claim Dos Hermanos 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 Dos Hermanos 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 Dos Hermanos 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 Dos Hermanos 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 Dos Hermanos and switch it all on

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

Claim free → unlock everything

About Dos Hermanos

What kind of vessel is Dos Hermanos?

Dos Hermanos is a Recreational flagged to United States of America.

What is Dos Hermanos's MMSI?

Dos Hermanos's MMSI is 367607140. Call sign WDH3415.

How big is Dos Hermanos?

Dos Hermanos is about 12.3 m long, 4.5 m on the beam, drawing 2.2 m.

Is Dos Hermanos on the Master's Mate Safety Initiative Network?

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