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.
Vessel
One Apus
MMSI 431003000
Not yet on Master's MateFlag
JPNLength
364.1 m
IMO
9806079
AIS reports
2
One Apus, a vessel under Japanese registration, measures 364.1 metres on deck. On AIS she appears as MMSI 431003000, IMO 9806079. Bring One Apus aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card
Is One Apus your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever One Apus 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put One Apus on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim One Apus and switch it all on
Free to join · nothing to install to start · cancel anytime
About One Apus
What kind of vessel is One Apus?
One Apus is a vessel flagged to Japan.
What is One Apus's MMSI?
One Apus's MMSI is 431003000. IMO 9806079.
How big is One Apus?
One Apus is about 364.1 m long.
Is One Apus on the Master's Mate Safety Initiative Network?
Not yet. If One Apus is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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