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

Hammonia Caspium

MMSI 304010657

Not yet on Master's Mate

Flag

ATG

Length

195 m

IMO

9110951

AIS reports

An Antiguan boat, Hammonia Caspium measures 195 metres. On AIS she shows as MMSI 304010657, IMO 9110951. Claim Hammonia Caspium free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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Is Hammonia Caspium 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 Hammonia Caspium 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 Hammonia Caspium 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 Hammonia Caspium and switch it all on

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About Hammonia Caspium

What kind of vessel is Hammonia Caspium?

Hammonia Caspium is a vessel flagged to Antigua and Barbuda.

What is Hammonia Caspium's MMSI?

Hammonia Caspium's MMSI is 304010657. IMO 9110951.

How big is Hammonia Caspium?

Hammonia Caspium is about 195 m long.

Is Hammonia Caspium on the Master's Mate Safety Initiative Network?

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