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
KATJA
MMSI 304134000 · Call sign V2RI4
Not yet on Master's MateType
Cargo
Flag
ATGLength
115 m
Beam
14 m
Draft
6.2 m
Call sign
V2RI4
IMO
9454838
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
KATJA, a cargo ship hailing from Antigua and Barbuda, measures 115 metres on deck. She carries a 14-metre beam and a 6.2 m draft. Her registration reads MMSI 304134000, call sign V2RI4, IMO 9454838. Put KATJA on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for commercial operators
Eyes on KATJA, 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
Last known position · Jun 4, 2026
Position
53.8113° N, 6.8607° E
Transiting the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put KATJA 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 KATJA and switch it all on
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About KATJA
What kind of vessel is KATJA?
KATJA is a Cargo flagged to Antigua and Barbuda.
Where was KATJA last seen?
KATJA was last reported in the North Sea in Jun 2026 on public AIS.
What is KATJA's MMSI?
KATJA's MMSI is 304134000. Call sign V2RI4. IMO 9454838.
How big is KATJA?
KATJA is about 115 m long, 14 m on the beam, drawing 6.2 m.
Is KATJA on the Master's Mate Safety Initiative Network?
Not yet. If KATJA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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