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 Adriaticum

MMSI 304010611

Not yet on Master's Mate

Flag

ATG

Length

149 m

IMO

9071480

AIS reports

Hammonia Adriaticum flies the Antiguan flag — a 149-metre boat. She broadcasts as MMSI 304010611, IMO 9071480. Bring Hammonia Adriaticum aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

Free forever · No credit card

Is Hammonia Adriaticum 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 Hammonia Adriaticum 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 Adriaticum 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 Adriaticum and switch it all on

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About Hammonia Adriaticum

What kind of vessel is Hammonia Adriaticum?

Hammonia Adriaticum is a vessel flagged to Antigua and Barbuda.

What is Hammonia Adriaticum's MMSI?

Hammonia Adriaticum's MMSI is 304010611. IMO 9071480.

How big is Hammonia Adriaticum?

Hammonia Adriaticum is about 149 m long.

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

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