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 77
MMSI 636018174
Not yet on Master's MateFlag
LBRLength
322 m
IMO
8906913
AIS reports
2
A Liberian craft, Petrobras 77 measures 322 metres. She's listed under MMSI 636018174, IMO 8906913. Join Petrobras 77 to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Is Petrobras 77 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 77 roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Petrobras 77 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 77 and switch it all on
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About Petrobras 77
What kind of vessel is Petrobras 77?
Petrobras 77 is a vessel flagged to Liberia.
What is Petrobras 77's MMSI?
Petrobras 77's MMSI is 636018174. IMO 8906913.
How big is Petrobras 77?
Petrobras 77 is about 322 m long.
Is Petrobras 77 on the Master's Mate Safety Initiative Network?
Not yet. If Petrobras 77 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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