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
Petrobras 66
MMSI 538005508
Not yet on Master's MateFlag
MHLLength
307 m
IMO
9654012
AIS reports
2
A Marshall Islands vessel, Petrobras 66 measures 307 metres. Her registration reads MMSI 538005508, IMO 9654012. Petrobras 66 is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card
Is Petrobras 66 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 Petrobras 66 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 Petrobras 66 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 Petrobras 66 and switch it all on
Free to join · nothing to install to start · cancel anytime
About Petrobras 66
What kind of vessel is Petrobras 66?
Petrobras 66 is a vessel flagged to Marshall Islands.
What is Petrobras 66's MMSI?
Petrobras 66's MMSI is 538005508. IMO 9654012.
How big is Petrobras 66?
Petrobras 66 is about 307 m long.
Is Petrobras 66 on the Master's Mate Safety Initiative Network?
Not yet. If Petrobras 66 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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