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
RHEINHARMONIE
MMSI 211876730 · Call sign DC8136
Not yet on Master's MateType
Passenger
Flag
DEULength
40 m
Beam
8 m
Draft
1.6 m
Call sign
DC8136
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
RHEINHARMONIE flies the German flag — a 40-metre passenger ferry. She has 8 metres in the beam and a draft of 1.6 m. On the registers she's MMSI 211876730, call sign DC8136. RHEINHARMONIE carries passengers; the free Master's Mate Safety Initiative Network helps carry the watch, with distress alerting and a network nearby.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard RHEINHARMONIE 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 21:08 UTC
Position
50.9416° N, 6.9631° E
Status
Moored
Speed
0.0 kn
Course
360°
Wherever RHEINHARMONIE 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 · for passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put RHEINHARMONIE 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 RHEINHARMONIE and switch it all on
Free to join · nothing to install to start · cancel anytime
About RHEINHARMONIE
What kind of vessel is RHEINHARMONIE?
RHEINHARMONIE is a Passenger flagged to Germany.
Where was RHEINHARMONIE last seen?
RHEINHARMONIE was last reported in around 51°N 7°E in Jun 2026 on public AIS.
What is RHEINHARMONIE's MMSI?
RHEINHARMONIE's MMSI is 211876730. Call sign DC8136.
How big is RHEINHARMONIE?
RHEINHARMONIE is about 40 m long, 8 m on the beam, drawing 1.6 m.
Is RHEINHARMONIE on the Master's Mate Safety Initiative Network?
Not yet. If RHEINHARMONIE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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