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

Ocean Onyx

MMSI 538001765

Not yet on Master's Mate

Flag

MHL

Length

98 m

IMO

8753366

AIS reports

Registered in the Marshall Islands, Ocean Onyx is a 98-metre craft. Officially she's MMSI 538001765, IMO 8753366. Give Ocean Onyx the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

Free forever · No credit card

Is Ocean Onyx 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 Ocean Onyx 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 Ocean Onyx 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 Ocean Onyx and switch it all on

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Claim free → unlock everything

About Ocean Onyx

What kind of vessel is Ocean Onyx?

Ocean Onyx is a vessel flagged to Marshall Islands.

What is Ocean Onyx's MMSI?

Ocean Onyx's MMSI is 538001765. IMO 8753366.

How big is Ocean Onyx?

Ocean Onyx is about 98 m long.

Is Ocean Onyx on the Master's Mate Safety Initiative Network?

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