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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.
Fishing

SD539 GRYNING

Fishing · Sweden · last seen 59°N 11°E · Jun 2026 · MMSI 266371000 · Call sign SLWY

Not yet on Master's Mate
Type
Fishing
Flag
SWESWE
Length
14 m
Beam
5 m
Draft
2.3 m
Call sign
SLWY
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
42

A Swedish commercial trawler, SD539 GRYNING measures 14 metres. She's built with 5 metres in the beam and a 2.3-metre draft. She's on record as MMSI 266371000, call sign SLWY. SD539 GRYNING can join the Master's Mate Safety Initiative Network free, for live AIS, weather, and a network of boats ready to help when it counts.

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Live AIS position · Jun 15, 2026 12:23 UTC
Position
59.0507° N, 10.9003° E
Status
Engaged in fishing
Speed
7.5 kn
Course
139°
Destination
FISHING IN SKAGERACK
Fishing the Baltic Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put SD539 GRYNING 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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Onboard Cameras
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About SD539 GRYNING

What kind of vessel is SD539 GRYNING?
SD539 GRYNING is a Fishing flagged to Sweden.
Where was SD539 GRYNING last seen?
SD539 GRYNING was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is SD539 GRYNING's MMSI?
SD539 GRYNING's MMSI is 266371000. Call sign SLWY.
How big is SD539 GRYNING?
SD539 GRYNING is about 14 m long, 5 m on the beam, drawing 2.3 m.
Is SD539 GRYNING on the Master's Mate Safety Initiative Network?
Not yet. If SD539 GRYNING is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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