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
TR31
MMSI 270403000 · Call sign OL2031
Not yet on Master's MateType
Other
Flag
CZELength
99 m
Beam
11 m
Draft
0.6 m
Call sign
OL2031
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
64
TR31 is a boat listed on the Czechia registry, measuring 99 metres. TR31 has a 11 m beam and a 0.6 m draft. On AIS she shows as MMSI 270403000, call sign OL2031. Sign TR31 up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card
Is TR31 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 03:48 UTC
Position
50.1080° N, 14.4571° E
Status
Moored
Speed
0.0 kn
Course
240°
Destination
USTI N L
ETA
10-10 15:30 UTC
Wherever TR31 roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put TR31 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 TR31 and switch it all on
Free to join · nothing to install to start · cancel anytime
About TR31
What kind of vessel is TR31?
TR31 is a Other flagged to Czechia.
Where was TR31 last seen?
TR31 was last reported in around 50°N 14°E in Jun 2026 on public AIS.
What is TR31's MMSI?
TR31's MMSI is 270403000. Call sign OL2031.
How big is TR31?
TR31 is about 99 m long, 11 m on the beam, drawing 0.6 m.
Is TR31 on the Master's Mate Safety Initiative Network?
Not yet. If TR31 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.