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.
Tug
LEON
MMSI 239808200 · Call sign SVA5839
Not yet on Master's MateType
Tug
Flag
GRCLength
22 m
Beam
8 m
Draft
3.2 m
Call sign
SVA5839
IMO
9359519
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
A Greek tug, LEON measures 22 metres. She has a beam measuring 8 metres and a draft measuring 3.2 metres. She's on record as MMSI 239808200, call sign SVA5839, IMO 9359519. Add LEON to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like LEON.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 05:54 UTC
Position
38.0290° N, 23.5959° E
Status
Constrained by draught
Speed
0.0 kn
Course
355°
Working the Aegean Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put LEON on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 LEON and switch it all on
Free to join · nothing to install to start · cancel anytime
About LEON
What kind of vessel is LEON?
LEON is a Tug flagged to Greece.
Where was LEON last seen?
LEON was last reported in the Aegean Sea in Jun 2026 on public AIS.
What is LEON's MMSI?
LEON's MMSI is 239808200. Call sign SVA5839. IMO 9359519.
How big is LEON?
LEON is about 22 m long, 8 m on the beam, drawing 3.2 m.
Is LEON on the Master's Mate Safety Initiative Network?
Not yet. If LEON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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