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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

Doris Ruby

MMSI 477405000

Not yet on Master's Mate
Flag
HKGHKG
Length
123 m
IMO
9279939
AIS reports
2

Doris Ruby is a Hong Kong boat, 123 metres LOA. On the registers she's MMSI 477405000, IMO 9279939. Bring Doris Ruby aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

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Is Doris Ruby 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.

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Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Doris Ruby 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 Doris Ruby 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 Doris Ruby and switch it all on
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About Doris Ruby

What kind of vessel is Doris Ruby?
Doris Ruby is a vessel flagged to Hong Kong S.A.R..
What is Doris Ruby's MMSI?
Doris Ruby's MMSI is 477405000. IMO 9279939.
How big is Doris Ruby?
Doris Ruby is about 123 m long.
Is Doris Ruby on the Master's Mate Safety Initiative Network?
Not yet. If Doris Ruby is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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