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
Symphony Moderna
MMSI 431000424
Not yet on Master's MateFlag
JPNLength
83 m
IMO
9032197
AIS reports
2
Symphony Moderna, a Japanese vessel, measures 83 metres on deck. Her papers read MMSI 431000424, IMO 9032197. Symphony Moderna is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
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Is Symphony Moderna 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
Live AIS position · Jun 9, 2026 10:31 UTC
Position
35.6022° N, 139.7921° E
Status
Under way (engine)
Speed
10.0 kn
Course
39°
Crossing the Sea of Japan? 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 Symphony Moderna 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 Symphony Moderna and switch it all on
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About Symphony Moderna
What kind of vessel is Symphony Moderna?
Symphony Moderna is a vessel flagged to Japan.
Where was Symphony Moderna last seen?
Symphony Moderna was last reported in the Sea of Japan on public AIS.
What is Symphony Moderna's MMSI?
Symphony Moderna's MMSI is 431000424. IMO 9032197.
How big is Symphony Moderna?
Symphony Moderna is about 83 m long.
Is Symphony Moderna on the Master's Mate Safety Initiative Network?
Not yet. If Symphony Moderna is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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