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.
Other
TR 531
MMSI 270504000 · Call sign OL6450
Not yet on Master's MateType
Other
Flag
CZELength
13 m
Beam
9 m
Draft
1.6 m
Call sign
OL6450
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Hailing from Czechia, TR 531 is a 13-metre vessel. She has a beam measuring 9 metres and a draft measuring 1.6 metres. On AIS she shows as MMSI 270504000, call sign OL6450. Give TR 531 the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
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Is TR 531 your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 04:44 UTC
Position
50.3642° N, 14.4614° E
Status
At anchor
Speed
0.0 kn
Course
203°
Destination
MELNIK
ETA
04-04 09:11 UTC
Wherever TR 531 roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put TR 531 on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim TR 531 and switch it all on
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About TR 531
What kind of vessel is TR 531?
TR 531 is a Other flagged to Czechia.
Where was TR 531 last seen?
TR 531 was last reported in around 50°N 14°E in Jun 2026 on public AIS.
What is TR 531's MMSI?
TR 531's MMSI is 270504000. Call sign OL6450.
How big is TR 531?
TR 531 is about 13 m long, 9 m on the beam, drawing 1.6 m.
Is TR 531 on the Master's Mate Safety Initiative Network?
Not yet. If TR 531 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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