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.
Tug
UNION ONYX
MMSI 212163000 · Call sign 5BSE3
Not yet on Master's MateType
Tug
Flag
CYPLength
33 m
Beam
11 m
Draft
5.1 m
Call sign
5BSE3
IMO
9406415
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
UNION ONYX is a Cypriot working tug — 33 metres overall. She carries 11 metres in the beam and a 5.1-metre draft. Look for MMSI 212163000, call sign 5BSE3, IMO 9406415. UNION ONYX belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Built for boats that work — like UNION ONYX.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 9, 2026 14:14 UTC
Position
51.8258° N, 4.7258° E
Status
Moored
Speed
0.0 kn
Course
121°
Destination
NLPAP
ETA
05-24 03:30 UTC
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Joining the Safety Initiative Network doesn't just put UNION ONYX on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 UNION ONYX and switch it all on
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About UNION ONYX
What kind of vessel is UNION ONYX?
UNION ONYX is a Tug flagged to Cyprus.
Where was UNION ONYX last seen?
UNION ONYX was last reported in the North Sea in Jun 2026 on public AIS.
What is UNION ONYX's MMSI?
UNION ONYX's MMSI is 212163000. Call sign 5BSE3. IMO 9406415.
How big is UNION ONYX?
UNION ONYX is about 33 m long, 11 m on the beam, drawing 5.1 m.
Is UNION ONYX on the Master's Mate Safety Initiative Network?
Not yet. If UNION ONYX is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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