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.
Passenger
HAMMONIA
MMSI 211512510 · Call sign DA5927
Not yet on Master's MateType
Passenger
Flag
DEULength
44 m
Beam
9 m
Call sign
DA5927
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
A German passenger ferry, HAMMONIA measures 44 metres. She has a beam of 9 m. On the registers she's MMSI 211512510, call sign DA5927. HAMMONIA is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard HAMMONIA safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 13:56 UTC
Position
53.5451° N, 9.9679° E
Speed
0.0 kn
Course
360°
Sailing the Baltic Sea? 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 · for passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put HAMMONIA on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim HAMMONIA and switch it all on
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About HAMMONIA
What kind of vessel is HAMMONIA?
HAMMONIA is a Passenger flagged to Germany.
Where was HAMMONIA last seen?
HAMMONIA was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is HAMMONIA's MMSI?
HAMMONIA's MMSI is 211512510. Call sign DA5927.
How big is HAMMONIA?
HAMMONIA is about 44 m long, 9 m on the beam.
Is HAMMONIA on the Master's Mate Safety Initiative Network?
Not yet. If HAMMONIA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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