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
MASTRONIKOS II
MMSI 240643500 · Call sign SVB5171
Not yet on Master's MateType
Cargo
Flag
GRCLength
83 m
Beam
13 m
Draft
3.6 m
Call sign
SVB5171
IMO
9034494
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
50
Registered in Greece, MASTRONIKOS II is an 83-metre cargo vessel. She carries 13 metres in the beam and a 3.6-metre draft. Look for MMSI 240643500, call sign SVB5171, IMO 9034494. Claim MASTRONIKOS II free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for commercial operators
Eyes on MASTRONIKOS II, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
38.1773° N, 24.6147° E
Transiting the Aegean Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put MASTRONIKOS II 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 MASTRONIKOS II and switch it all on
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About MASTRONIKOS II
What kind of vessel is MASTRONIKOS II?
MASTRONIKOS II is a Cargo flagged to Greece.
Where was MASTRONIKOS II last seen?
MASTRONIKOS II was last reported in the Aegean Sea in Jun 2026 on public AIS.
What is MASTRONIKOS II's MMSI?
MASTRONIKOS II's MMSI is 240643500. Call sign SVB5171. IMO 9034494.
How big is MASTRONIKOS II?
MASTRONIKOS II is about 83 m long, 13 m on the beam, drawing 3.6 m.
Is MASTRONIKOS II on the Master's Mate Safety Initiative Network?
Not yet. If MASTRONIKOS II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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