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
KOSTERFAERJAN 4
MMSI 265649390 · Call sign SJBC
Not yet on Master's MateType
Cargo
Flag
SWELength
28 m
Beam
8 m
Draft
3 m
Call sign
SJBC
IMO
887155800
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
62
KOSTERFAERJAN 4, a Swedish general cargo ship, measures 28 metres on deck. Her hull carries a beam of 8 m and a draft measuring 3 metres. On AIS she appears as MMSI 265649390, call sign SJBC. Give KOSTERFAERJAN 4 the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for commercial operators
Eyes on KOSTERFAERJAN 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 13:23 UTC
Position
58.8942° N, 11.0143° E
Status
Under way (engine)
Speed
7.0 kn
Course
50°
Destination
STROMSTAD>KOSTER
Transiting the Baltic Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put KOSTERFAERJAN 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 KOSTERFAERJAN 4 and switch it all on
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About KOSTERFAERJAN 4
What kind of vessel is KOSTERFAERJAN 4?
KOSTERFAERJAN 4 is a Cargo flagged to Sweden.
Where was KOSTERFAERJAN 4 last seen?
KOSTERFAERJAN 4 was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is KOSTERFAERJAN 4's MMSI?
KOSTERFAERJAN 4's MMSI is 265649390. Call sign SJBC. IMO 887155800.
How big is KOSTERFAERJAN 4?
KOSTERFAERJAN 4 is about 28 m long, 8 m on the beam, drawing 3 m.
Is KOSTERFAERJAN 4 on the Master's Mate Safety Initiative Network?
Not yet. If KOSTERFAERJAN 4 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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