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
ROSTOCKER7
MMSI 211217860 · Call sign DA4204
Not yet on Master's MateType
Passenger
Flag
DEULength
39 m
Beam
10 m
Draft
1.6 m
Call sign
DA4204
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
ROSTOCKER7 is a passenger ferry under the German flag, 39 metres long. Her hull carries a 10 m beam and a draft of 1.6 m. On the registers she's MMSI 211217860, call sign DA4204. Bring ROSTOCKER7 aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard ROSTOCKER7 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 08:28 UTC
Position
54.0998° N, 12.1128° E
Status
Under way (engine)
Speed
0.0 kn
Course
0°
Destination
ROSTOCK WARNEMUENDE
ETA
01-01 10:00 UTC
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 ROSTOCKER7 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 ROSTOCKER7 and switch it all on
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About ROSTOCKER7
What kind of vessel is ROSTOCKER7?
ROSTOCKER7 is a Passenger flagged to Germany.
Where was ROSTOCKER7 last seen?
ROSTOCKER7 was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is ROSTOCKER7's MMSI?
ROSTOCKER7's MMSI is 211217860. Call sign DA4204.
How big is ROSTOCKER7?
ROSTOCKER7 is about 39 m long, 10 m on the beam, drawing 1.6 m.
Is ROSTOCKER7 on the Master's Mate Safety Initiative Network?
Not yet. If ROSTOCKER7 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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