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.
Cargo
RUBYN
MMSI 620800334 · Call sign D6A4334
Not yet on Master's MateType
Cargo
Flag
COMLength
79 m
Beam
11 m
Draft
2.1 m
Call sign
D6A4334
IMO
8511885
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
RUBYN, a merchant ship on the Comoros registry, measures 79 metres on deck. Her hull carries a beam measuring 11 metres and a draft measuring 2.1 metres. On AIS she shows as MMSI 620800334, call sign D6A4334, IMO 8511885. Put RUBYN on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for commercial operators
Eyes on RUBYN, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
42.3444° N, 28.7117° E
Transiting the Black Sea? 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 · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put RUBYN 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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 RUBYN and switch it all on
Free to join · nothing to install to start · cancel anytime
About RUBYN
What kind of vessel is RUBYN?
RUBYN is a Cargo flagged to Comoros.
Where was RUBYN last seen?
RUBYN was last reported in the Black Sea in Jun 2026 on public AIS.
What is RUBYN's MMSI?
RUBYN's MMSI is 620800334. Call sign D6A4334. IMO 8511885.
How big is RUBYN?
RUBYN is about 79 m long, 11 m on the beam, drawing 2.1 m.
Is RUBYN on the Master's Mate Safety Initiative Network?
Not yet. If RUBYN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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