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
Mermaid Sound
MMSI 503533000
Not yet on Master's MateFlag
AUSLength
50 m
IMO
9374935
AIS reports
2
Mermaid Sound, an Australian craft, measures 50 metres on deck. Look for MMSI 503533000, IMO 9374935. Claim Mermaid Sound free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is Mermaid Sound 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 Mermaid Sound 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 Mermaid Sound 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 Mermaid Sound and switch it all on
Free to join · nothing to install to start · cancel anytime
About Mermaid Sound
What kind of vessel is Mermaid Sound?
Mermaid Sound is a vessel flagged to Ashmore and Cartier Islands.
What is Mermaid Sound's MMSI?
Mermaid Sound's MMSI is 503533000. IMO 9374935.
How big is Mermaid Sound?
Mermaid Sound is about 50 m long.
Is Mermaid Sound on the Master's Mate Safety Initiative Network?
Not yet. If Mermaid Sound is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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