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

Antero

MMSI 538006938

Not yet on Master's Mate

Flag

MHL

Length

189 m

IMO

9537381

AIS reports

Antero, a vessel flying the flag of the Marshall Islands, measures 189 metres on deck. She's on record as MMSI 538006938, IMO 9537381. Antero is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

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

Wherever Antero 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 Antero 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 Antero and switch it all on

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About Antero

What kind of vessel is Antero?

Antero is a vessel flagged to Marshall Islands.

What is Antero's MMSI?

Antero's MMSI is 538006938. IMO 9537381.

How big is Antero?

Antero is about 189 m long.

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

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