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.
Cargo
ASTERIOS
MMSI 636022173 · Call sign 5LHM9
Not yet on Master's MateType
Cargo
Flag
LBRLength
172 m
Beam
27 m
Draft
8.3 m
Call sign
5LHM9
IMO
9951135
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
55
ASTERIOS is a cargo ship registered in Liberia, 172 metres in length. ASTERIOS has a 27 m beam and a 8.3 m draft. On AIS she appears as MMSI 636022173, call sign 5LHM9, IMO 9951135. ASTERIOS is welcome on the Master's Mate Safety Initiative Network — free situational awareness and a watch network shared by vessels of every size.
Free forever · No credit card · for commercial operators
Eyes on ASTERIOS, 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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Last known position · Jun 4, 2026
Position
38.1445° N, 141.3059° E
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put ASTERIOS 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.
Claim ASTERIOS and switch it all on
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About ASTERIOS
What kind of vessel is ASTERIOS?
ASTERIOS is a Cargo flagged to Liberia.
Where was ASTERIOS last seen?
ASTERIOS was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is ASTERIOS's MMSI?
ASTERIOS's MMSI is 636022173. Call sign 5LHM9. IMO 9951135.
How big is ASTERIOS?
ASTERIOS is about 172 m long, 27 m on the beam, drawing 8.3 m.
Is ASTERIOS on the Master's Mate Safety Initiative Network?
Not yet. If ASTERIOS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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