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.
Cargo
KS 4
MMSI 211220860 · Call sign DB8904
Not yet on Master's MateType
Cargo
Flag
DEULength
59 m
Beam
10 m
Draft
1.2 m
Call sign
DB8904
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
KS 4, a cargo carrier listed on the Germany registry, measures 59 metres on deck. She's built with a 10 m beam and a 1.2-metre draft. She's on record as MMSI 211220860, call sign DB8904. KS 4 can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for commercial operators
Eyes on KS 4, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 13:14 UTC
Position
53.1106° N, 8.7294° E
Status
Moored
Speed
0.0 kn
Course
360°
Destination
HB
Transiting the North 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put KS 4 on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 KS 4 and switch it all on
Free to join · nothing to install to start · cancel anytime
About KS 4
What kind of vessel is KS 4?
KS 4 is a Cargo flagged to Germany.
Where was KS 4 last seen?
KS 4 was last reported in the North Sea in Jun 2026 on public AIS.
What is KS 4's MMSI?
KS 4's MMSI is 211220860. Call sign DB8904.
How big is KS 4?
KS 4 is about 59 m long, 10 m on the beam, drawing 1.2 m.
Is KS 4 on the Master's Mate Safety Initiative Network?
Not yet. If KS 4 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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