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.
UNSPECIFIED
RIO DAS CONTAS
U.S. Official No. 513388
Not yet on Master's MateType
UNSPECIFIED
Flag
USALength
39.9 m
Beam
9.8 m
Draft
2.7 m
First reported
Jun 2026
AIS reports
1
Out of the United States, RIO DAS CONTAS is a 39.9-metre craft. RIO DAS CONTAS has a beam of 9.8 m and a 2.7 m draft. Her registration reads U.S. official number 513388. RIO DAS CONTAS can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
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Is RIO DAS CONTAS 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 RIO DAS CONTAS 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 RIO DAS CONTAS 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 RIO DAS CONTAS and switch it all on
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About RIO DAS CONTAS
What kind of vessel is RIO DAS CONTAS?
RIO DAS CONTAS is a UNSPECIFIED flagged to United States of America.
What is RIO DAS CONTAS's U.S. Official No.?
RIO DAS CONTAS's U.S. Official No. is 513388.
How big is RIO DAS CONTAS?
RIO DAS CONTAS is about 39.9 m long, 9.8 m on the beam, drawing 2.7 m.
Is RIO DAS CONTAS on the Master's Mate Safety Initiative Network?
Not yet. If RIO DAS CONTAS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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