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
C. T.-IV
U.S. Official No. 642665
Not yet on Master's MateType
UNSPECIFIED
Flag
USALength
24.5 m
Beam
8.5 m
Draft
3.1 m
First reported
Jun 2026
AIS reports
1
C. T.-IV flies the American flag — a 24.5-metre boat. She's built with a 8.5 m beam and a 3.1-metre draft. She's on record as U.S. official number 642665. C. T.-IV is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card
Is C. T.-IV 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 C. T.-IV 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 C. T.-IV 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 C. T.-IV and switch it all on
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About C. T.-IV
What kind of vessel is C. T.-IV?
C. T.-IV is a UNSPECIFIED flagged to United States of America.
What is C. T.-IV's U.S. Official No.?
C. T.-IV's U.S. Official No. is 642665.
How big is C. T.-IV?
C. T.-IV is about 24.5 m long, 8.5 m on the beam, drawing 3.1 m.
Is C. T.-IV on the Master's Mate Safety Initiative Network?
Not yet. If C. T.-IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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