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
Mild Sonata
MMSI 477390900
Not yet on Master's MateFlag
HKGLength
147 m
IMO
9666857
AIS reports
2
Mild Sonata is a craft flagged in Hong Kong, 147 metres overall. She's on record as MMSI 477390900, IMO 9666857. Mild Sonata can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card
Is Mild Sonata 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 Mild Sonata 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 Mild Sonata 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 Mild Sonata and switch it all on
Free to join · nothing to install to start · cancel anytime
About Mild Sonata
What kind of vessel is Mild Sonata?
Mild Sonata is a vessel flagged to Hong Kong S.A.R..
What is Mild Sonata's MMSI?
Mild Sonata's MMSI is 477390900. IMO 9666857.
How big is Mild Sonata?
Mild Sonata is about 147 m long.
Is Mild Sonata on the Master's Mate Safety Initiative Network?
Not yet. If Mild Sonata is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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