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 ACE
MMSI 431373000 · Call sign 7KUC
Not yet on Master's MateType
Cargo
Flag
JPNLength
200 m
Beam
32 m
Draft
8.9 m
Call sign
7KUC
IMO
9584059
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
38
On the Japanese registry, NEPTUNE ACE is a 200-metre cargo ship. NEPTUNE ACE has a beam measuring 32 metres and a 8.9 m draft. Officially she's MMSI 431373000, call sign 7KUC, IMO 9584059. NEPTUNE ACE can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for commercial operators
Eyes on NEPTUNE ACE, 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
29.9138° S, 31.3829° E
Wherever NEPTUNE ACE roams, 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 ACE 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 ACE and switch it all on
Free to join · nothing to install to start · cancel anytime
About NEPTUNE ACE
What kind of vessel is NEPTUNE ACE?
NEPTUNE ACE is a Cargo flagged to Japan.
Where was NEPTUNE ACE last seen?
NEPTUNE ACE was last reported in around 30°S 31°E in Jun 2026 on public AIS.
What is NEPTUNE ACE's MMSI?
NEPTUNE ACE's MMSI is 431373000. Call sign 7KUC. IMO 9584059.
How big is NEPTUNE ACE?
NEPTUNE ACE is about 200 m long, 32 m on the beam, drawing 8.9 m.
Is NEPTUNE ACE on the Master's Mate Safety Initiative Network?
Not yet. If NEPTUNE ACE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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