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
POSEIDONAS
MMSI 237008100 · Call sign SYJY
Not yet on Master's MateType
Passenger
Flag
GRCLength
86 m
Beam
14 m
Call sign
SYJY
IMO
8966963
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
51
POSEIDONAS is a passenger boat sailing under the Greek flag, measuring 86 metres. She carries a 14 m beam. On AIS she shows as MMSI 237008100, call sign SYJY, IMO 8966963. POSEIDONAS can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard POSEIDONAS 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 12:53 UTC
Position
37.7083° N, 23.3716° E
Status
Under way (engine)
Speed
7.9 kn
Course
84°
ETA
02-05 08:00 UTC
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Joining the Safety Initiative Network doesn't just put POSEIDONAS 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 POSEIDONAS and switch it all on
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About POSEIDONAS
What kind of vessel is POSEIDONAS?
POSEIDONAS is a Passenger flagged to Greece.
Where was POSEIDONAS last seen?
POSEIDONAS was last reported in the Aegean Sea in Jun 2026 on public AIS.
What is POSEIDONAS's MMSI?
POSEIDONAS's MMSI is 237008100. Call sign SYJY. IMO 8966963.
How big is POSEIDONAS?
POSEIDONAS is about 86 m long, 14 m on the beam.
Is POSEIDONAS on the Master's Mate Safety Initiative Network?
Not yet. If POSEIDONAS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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