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.
Freight Barge
ST-43
U.S. Official No. 624425
Not yet on Master's MateType
Freight Barge
Flag
USALength
83.2 m
Beam
12.8 m
Draft
4.9 m
First reported
Jun 2026
AIS reports
1
ST-43 flies the American flag — an 83.2-metre cargo barge. She carries a 12.8-metre beam and a 4.9 m draft. Look for U.S. official number 624425. ST-43 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 commercial operators
Eyes on ST-43, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever ST-43 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ST-43 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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 ST-43 and switch it all on
Free to join · nothing to install to start · cancel anytime
About ST-43
What kind of vessel is ST-43?
ST-43 is a Freight Barge flagged to United States of America.
What is ST-43's U.S. Official No.?
ST-43's U.S. Official No. is 624425.
How big is ST-43?
ST-43 is about 83.2 m long, 12.8 m on the beam, drawing 4.9 m.
Is ST-43 on the Master's Mate Safety Initiative Network?
Not yet. If ST-43 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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