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
Sao Master
MMSI 538008867
Not yet on Master's MateFlag
MHLLength
340 m
IMO
9824095
AIS reports
2
Sao Master is a boat on the the Marshall Islands registry, 340 metres LOA. On AIS she appears as MMSI 538008867, IMO 9824095. Sign Sao Master up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card
Is Sao Master 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 Sao Master 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 Sao Master 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 Sao Master and switch it all on
Free to join · nothing to install to start · cancel anytime
About Sao Master
What kind of vessel is Sao Master?
Sao Master is a vessel flagged to Marshall Islands.
What is Sao Master's MMSI?
Sao Master's MMSI is 538008867. IMO 9824095.
How big is Sao Master?
Sao Master is about 340 m long.
Is Sao Master on the Master's Mate Safety Initiative Network?
Not yet. If Sao Master is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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