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.
Unclassified
TRIBUTARY
U.S. Official No. 1268380
Not yet on Master's MateType
Unclassified
Flag
USALength
14.8 m
Beam
4.9 m
Draft
1.3 m
Hull ID
JBY006030116
First reported
Jun 2026
AIS reports
1
On the American registry, TRIBUTARY is a 14.8-metre vessel. Her hull carries a 4.9 m beam and a draft of 1.3 m. Officially she's U.S. official number 1268380. TRIBUTARY belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Is TRIBUTARY 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.
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Wherever TRIBUTARY 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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Joining the Safety Initiative Network doesn't just put TRIBUTARY 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 TRIBUTARY and switch it all on
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About TRIBUTARY
What kind of vessel is TRIBUTARY?
TRIBUTARY is a Unclassified flagged to United States of America.
What is TRIBUTARY's U.S. Official No.?
TRIBUTARY's U.S. Official No. is 1268380.
How big is TRIBUTARY?
TRIBUTARY is about 14.8 m long, 4.9 m on the beam, drawing 1.3 m.
Is TRIBUTARY on the Master's Mate Safety Initiative Network?
Not yet. If TRIBUTARY is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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