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
NEPTUNE
MMSI 518790000 · Call sign E5U2737
Not yet on Master's MateType
Cargo
Flag
COKLength
100 m
Beam
13 m
Draft
4.9 m
Call sign
E5U2737
IMO
9011961
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
NEPTUNE, an ocean freighter hailing from Cook Islands, measures 100 metres on deck. Below, she has a beam measuring 13 metres and a draft of 4.9 m. Look for MMSI 518790000, call sign E5U2737, IMO 9011961. Put NEPTUNE on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for commercial operators
Eyes on NEPTUNE, 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
40.6365° N, 22.9202° E
Transiting 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.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put NEPTUNE 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 NEPTUNE and switch it all on
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About NEPTUNE
What kind of vessel is NEPTUNE?
NEPTUNE is a Cargo flagged to Cook Islands.
Where was NEPTUNE last seen?
NEPTUNE was last reported in the Aegean Sea in Jun 2026 on public AIS.
What is NEPTUNE's MMSI?
NEPTUNE's MMSI is 518790000. Call sign E5U2737. IMO 9011961.
How big is NEPTUNE?
NEPTUNE is about 100 m long, 13 m on the beam, drawing 4.9 m.
Is NEPTUNE on the Master's Mate Safety Initiative Network?
Not yet. If NEPTUNE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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