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
Coral Chief
MMSI 477066300
Not yet on Master's MateFlag
HKGLength
170 m
IMO
9689938
AIS reports
2
Coral Chief is a Hong Kong 170-metre craft. Her papers read MMSI 477066300, IMO 9689938. It's free to add Coral Chief to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card
Is Coral Chief 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 17:41 UTC
Position
33.2475° S, 152.0876° E
Status
Under way (engine)
Speed
7.5 kn
Course
213°
Destination
AUSYD
ETA
06-10 02:00 UTC
Crossing the Tasman 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Coral Chief 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 Coral Chief and switch it all on
Free to join · nothing to install to start · cancel anytime
About Coral Chief
What kind of vessel is Coral Chief?
Coral Chief is a vessel flagged to Hong Kong S.A.R..
Where was Coral Chief last seen?
Coral Chief was last reported in the Tasman Sea on public AIS.
What is Coral Chief's MMSI?
Coral Chief's MMSI is 477066300. IMO 9689938.
How big is Coral Chief?
Coral Chief is about 170 m long.
Is Coral Chief on the Master's Mate Safety Initiative Network?
Not yet. If Coral Chief is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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