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
KOSTERVAAG
MMSI 265516670 · Call sign SLTA
Not yet on Master's MateType
Passenger
Flag
SWELength
30 m
Beam
8 m
Draft
1.5 m
Call sign
SLTA
IMO
9226229
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
Registered in Sweden, KOSTERVAAG is a 30-metre ferry vessel. Below, she has a 8 m beam and a draft of 1.5 m. Find her under MMSI 265516670, call sign SLTA, IMO 9226229. Keep every soul aboard KOSTERVAAG covered with the free Master's Mate Safety Initiative Network.
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Keep every soul aboard KOSTERVAAG safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
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Live AIS position · Jun 9, 2026 13:13 UTC
Position
58.9036° N, 11.0224° E
Status
Under way (engine)
Speed
2.3 kn
Course
197°
Destination
SESMD
ETA
09-05 12:00 UTC
Sailing the Baltic Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put KOSTERVAAG 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 KOSTERVAAG and switch it all on
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About KOSTERVAAG
What kind of vessel is KOSTERVAAG?
KOSTERVAAG is a Passenger flagged to Sweden.
Where was KOSTERVAAG last seen?
KOSTERVAAG was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is KOSTERVAAG's MMSI?
KOSTERVAAG's MMSI is 265516670. Call sign SLTA. IMO 9226229.
How big is KOSTERVAAG?
KOSTERVAAG is about 30 m long, 8 m on the beam, drawing 1.5 m.
Is KOSTERVAAG on the Master's Mate Safety Initiative Network?
Not yet. If KOSTERVAAG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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