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.

Commercial Fishing Vessel

ESMERALDA & YAHIR

U.S. Official No. 503541

Not yet on Master's Mate

Type

Commercial Fishing Vessel

Flag

USA

Length

20.2 m

Beam

6.1 m

Draft

3.5 m

First reported

Jun 2026

AIS reports

ESMERALDA & YAHIR, a working fishing boat on the the United States registry, measures 20.2 metres on deck. She's built with a beam of 6.1 m and a 3.5 m draft. Her registration reads U.S. official number 503541. Join ESMERALDA & YAHIR to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

Free forever · No credit card · for working captains

Know where the fleet is. Get ESMERALDA & YAHIR home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

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

Wherever ESMERALDA & YAHIR 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 ESMERALDA & YAHIR on the map. It hands you the full bridge:

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.

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.

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.

Onboard Cameras

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

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim ESMERALDA & YAHIR and switch it all on

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About ESMERALDA & YAHIR

What kind of vessel is ESMERALDA & YAHIR?

ESMERALDA & YAHIR is a Commercial Fishing Vessel flagged to United States of America.

What is ESMERALDA & YAHIR's U.S. Official No.?

ESMERALDA & YAHIR's U.S. Official No. is 503541.

How big is ESMERALDA & YAHIR?

ESMERALDA & YAHIR is about 20.2 m long, 6.1 m on the beam, drawing 3.5 m.

Is ESMERALDA & YAHIR on the Master's Mate Safety Initiative Network?

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