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.
Towing Vessel
T-BOAT 4
U.S. Official No. 1306432
Not yet on Master's MateType
Towing Vessel
Flag
USALength
7.4 m
Beam
2.4 m
Draft
1.1 m
First reported
Jun 2026
AIS reports
1
T-BOAT 4 flies the American flag — a 7.4-metre service vessel. She carries a beam of 2.4 m and a 1.1 m draft. Her registration reads U.S. official number 1306432. T-BOAT 4 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 · for working boats
Built for boats that work — like T-BOAT 4.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever T-BOAT 4 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 boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put T-BOAT 4 on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
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 T-BOAT 4 and switch it all on
Free to join · nothing to install to start · cancel anytime
About T-BOAT 4
What kind of vessel is T-BOAT 4?
T-BOAT 4 is a Towing Vessel flagged to United States of America.
What is T-BOAT 4's U.S. Official No.?
T-BOAT 4's U.S. Official No. is 1306432.
How big is T-BOAT 4?
T-BOAT 4 is about 7.4 m long, 2.4 m on the beam, drawing 1.1 m.
Is T-BOAT 4 on the Master's Mate Safety Initiative Network?
Not yet. If T-BOAT 4 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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