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.

Vessel

Yasa Sparrow

MMSI 538004771

Not yet on Master's Mate

Flag

MHL

Length

187 m

IMO

9513919

AIS reports

Yasa Sparrow is a Marshall Islands boat — 187 metres overall. Find her under MMSI 538004771, IMO 9513919. Yasa Sparrow is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

Free forever · No credit card

Is Yasa Sparrow 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 Yasa Sparrow 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 Yasa Sparrow 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 Yasa Sparrow and switch it all on

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About Yasa Sparrow

What kind of vessel is Yasa Sparrow?

Yasa Sparrow is a vessel flagged to Marshall Islands.

What is Yasa Sparrow's MMSI?

Yasa Sparrow's MMSI is 538004771. IMO 9513919.

How big is Yasa Sparrow?

Yasa Sparrow is about 187 m long.

Is Yasa Sparrow on the Master's Mate Safety Initiative Network?

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