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.
Other
KOELN
MMSI 211534880 · Call sign DC3801
Not yet on Master's MateType
Other
Flag
DEULength
26 m
Beam
6 m
Call sign
DC3801
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
35
KOELN, a craft under the German flag, measures 26 metres on deck. Her hull carries a beam of 6 m. Officially she's MMSI 211534880, call sign DC3801. Put KOELN on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card
Is KOELN 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
Last known position · Jun 3, 2026
Position
50.9544° N, 6.9842° E
Wherever KOELN 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 KOELN 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 KOELN and switch it all on
Free to join · nothing to install to start · cancel anytime
About KOELN
What kind of vessel is KOELN?
KOELN is a Other flagged to Germany.
Where was KOELN last seen?
KOELN was last reported in around 51°N 7°E in Jun 2026 on public AIS.
What is KOELN's MMSI?
KOELN's MMSI is 211534880. Call sign DC3801.
How big is KOELN?
KOELN is about 26 m long, 6 m on the beam.
Is KOELN on the Master's Mate Safety Initiative Network?
Not yet. If KOELN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.