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
POLAR ATHENA
MMSI 210189000 · Call sign 5BSP5
Not yet on Master's MateType
Passenger
Flag
CYPLength
71 m
Beam
13 m
Draft
4.7 m
Call sign
5BSP5
IMO
8010324
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
POLAR ATHENA is a passenger ferry registered in Cyprus, 71 metres long. Below, she has a beam measuring 13 metres and a draft of 4.7 m. Find her under MMSI 210189000, call sign 5BSP5, IMO 8010324. Join POLAR ATHENA to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard POLAR ATHENA 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
Last known position · Jun 4, 2026
Position
57.9447° N, 11.5638° E
Sailing the Baltic Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put POLAR ATHENA 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 POLAR ATHENA and switch it all on
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About POLAR ATHENA
What kind of vessel is POLAR ATHENA?
POLAR ATHENA is a Passenger flagged to Cyprus.
Where was POLAR ATHENA last seen?
POLAR ATHENA was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is POLAR ATHENA's MMSI?
POLAR ATHENA's MMSI is 210189000. Call sign 5BSP5. IMO 8010324.
How big is POLAR ATHENA?
POLAR ATHENA is about 71 m long, 13 m on the beam, drawing 4.7 m.
Is POLAR ATHENA on the Master's Mate Safety Initiative Network?
Not yet. If POLAR ATHENA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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