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
NEPTUN
MMSI 278645000 · Call sign S5EK8
Not yet on Master's MateType
Tug
Flag
SVNLength
32 m
Beam
11 m
Draft
6.2 m
Call sign
S5EK8
IMO
9584932
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
NEPTUN is a Slovenian 32-metre working tug. She carries a beam measuring 11 metres and a 6.2-metre draft. She broadcasts as MMSI 278645000, call sign S5EK8, IMO 9584932. Working vessels like NEPTUN are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
Free forever · No credit card · for working boats
Built for boats that work — like NEPTUN.
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 03:55 UTC
Position
45.5591° N, 13.7376° E
Status
Moored
Speed
0.0 kn
Course
290°
Destination
KOPER
ETA
04-07 13:15 UTC
Working the Adriatic 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 NEPTUN 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 NEPTUN and switch it all on
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About NEPTUN
What kind of vessel is NEPTUN?
NEPTUN is a Tug flagged to Slovenia.
Where was NEPTUN last seen?
NEPTUN was last reported in the Adriatic Sea in Jun 2026 on public AIS.
What is NEPTUN's MMSI?
NEPTUN's MMSI is 278645000. Call sign S5EK8. IMO 9584932.
How big is NEPTUN?
NEPTUN is about 32 m long, 11 m on the beam, drawing 6.2 m.
Is NEPTUN on the Master's Mate Safety Initiative Network?
Not yet. If NEPTUN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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