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.
Tanker
ATHENIAN HORIZON
MMSI 255916109 · Call sign CQ2538
Not yet on Master's MateType
Tanker
Flag
PRTLength
150 m
Beam
23 m
Draft
6.7 m
Call sign
CQ2538
IMO
1026635
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Out of Portugal, ATHENIAN HORIZON is a 150-metre tanker. ATHENIAN HORIZON has a 23-metre beam and a 6.7 m draft. On the registers she's MMSI 255916109, call sign CQ2538, IMO 1026635. Add ATHENIAN HORIZON to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
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Eyes on ATHENIAN HORIZON, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
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Live AIS position · Jun 9, 2026 04:01 UTC
Position
51.9172° N, 4.2152° E
Status
Moored
Speed
0.0 kn
Course
70°
Destination
NLRTM
ETA
06-05 21:00 UTC
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Joining the Safety Initiative Network doesn't just put ATHENIAN HORIZON 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.
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About ATHENIAN HORIZON
What kind of vessel is ATHENIAN HORIZON?
ATHENIAN HORIZON is a Tanker flagged to Portugal.
Where was ATHENIAN HORIZON last seen?
ATHENIAN HORIZON was last reported in the North Sea in Jun 2026 on public AIS.
What is ATHENIAN HORIZON's MMSI?
ATHENIAN HORIZON's MMSI is 255916109. Call sign CQ2538. IMO 1026635.
How big is ATHENIAN HORIZON?
ATHENIAN HORIZON is about 150 m long, 23 m on the beam, drawing 6.7 m.
Is ATHENIAN HORIZON on the Master's Mate Safety Initiative Network?
Not yet. If ATHENIAN HORIZON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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