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
RIO2
MMSI 270257000 · Call sign OL6517
Not yet on Master's MateType
Other
Flag
CZELength
93 m
Beam
9 m
Draft
1.4 m
Call sign
OL6517
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
76
Registered in Czechia, RIO2 is a 93-metre craft. Below, she has a beam of 9 m and a draft measuring 1.4 metres. Her papers read MMSI 270257000, call sign OL6517. RIO2 is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
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Last known position · Jun 4, 2026
Position
51.2792° N, 4.3670° E
Crossing the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put RIO2 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.
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About RIO2
What kind of vessel is RIO2?
RIO2 is a Other flagged to Czechia.
Where was RIO2 last seen?
RIO2 was last reported in the North Sea in Jun 2026 on public AIS.
What is RIO2's MMSI?
RIO2's MMSI is 270257000. Call sign OL6517.
How big is RIO2?
RIO2 is about 93 m long, 9 m on the beam, drawing 1.4 m.
Is RIO2 on the Master's Mate Safety Initiative Network?
Not yet. If RIO2 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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