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

Jewel

MMSI 538004727

Not yet on Master's Mate

Flag

MHL

Length

291 m

IMO

9567037

AIS reports

Jewel is a craft sailing under the Marshall Islands flag, 291 metres from stem to stern. On AIS she shows as MMSI 538004727, IMO 9567037. Jewel belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

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Is Jewel 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.

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Wherever Jewel 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 Jewel 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 Jewel and switch it all on

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About Jewel

What kind of vessel is Jewel?

Jewel is a vessel flagged to Marshall Islands.

What is Jewel's MMSI?

Jewel's MMSI is 538004727. IMO 9567037.

How big is Jewel?

Jewel is about 291 m long.

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

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