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.
Passenger
ONYX
MMSI 261473000 · Call sign SNTK
Not yet on Master's MateType
Passenger
Flag
POLLength
11 m
Beam
35 m
Draft
2.5 m
Call sign
SNTK
IMO
791130100
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in Poland, ONYX is an 11-metre passenger ferry. She has a draft of 2.5 m. Find her under MMSI 261473000, call sign SNTK. The Master's Mate Safety Initiative Network welcomes ONYX — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard ONYX safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 04:43 UTC
Position
54.3554° N, 18.6757° E
Status
Under way (engine)
Speed
0.0 kn
Course
329°
Destination
PORTY ZAT.GDANSKIEJ
ETA
04-30 00:00 UTC
Sailing the Baltic 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ONYX on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 ONYX and switch it all on
Free to join · nothing to install to start · cancel anytime
About ONYX
What kind of vessel is ONYX?
ONYX is a Passenger flagged to Poland.
Where was ONYX last seen?
ONYX was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is ONYX's MMSI?
ONYX's MMSI is 261473000. Call sign SNTK. IMO 791130100.
How big is ONYX?
ONYX is about 11 m long, 35 m on the beam, drawing 2.5 m.
Is ONYX on the Master's Mate Safety Initiative Network?
Not yet. If ONYX is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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