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.
Commercial Fishing Vessel
Rio Costa
MMSI 367766660 · Call sign WDJ3299
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
12.8 m
Beam
4.5 m
Draft
1.8 m
Call sign
WDJ3299
Official No.
541558
AIS reports
1
Rio Costa is an American 12.8-metre offshore fishing boat. She's built with a beam of 4.5 m and a 1.8-metre draft. On the registers she's MMSI 367766660, call sign WDJ3299. There's a place for Rio Costa on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for working captains
Know where the fleet is. Get Rio Costa home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Rio Costa 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 · for working captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Rio Costa on the map. It hands you the full bridge:
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.
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Rio Costa and switch it all on
Free to join · nothing to install to start · cancel anytime
About Rio Costa
What kind of vessel is Rio Costa?
Rio Costa is a Commercial Fishing Vessel flagged to United States of America.
What is Rio Costa's MMSI?
Rio Costa's MMSI is 367766660. Call sign WDJ3299.
How big is Rio Costa?
Rio Costa is about 12.8 m long, 4.5 m on the beam, drawing 1.8 m.
Is Rio Costa on the Master's Mate Safety Initiative Network?
Not yet. If Rio Costa is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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