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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.
Tank Barge

TW-7

U.S. Official No. 513226

Not yet on Master's Mate
Type
Tank Barge
Flag
USAUSA
Length
90.7 m
Beam
16.5 m
Draft
3.9 m
First reported
Jun 2026
AIS reports
1

TW-7, a tanker hailing from the United States, measures 90.7 metres on deck. Below, she has 16.5 metres in the beam and a draft of 3.9 m. Her papers read U.S. official number 513226. Claim TW-7 free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card · for commercial operators

Eyes on TW-7, 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 TW-7 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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The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put TW-7 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 TW-7 and switch it all on
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Claim free → unlock everything

About TW-7

What kind of vessel is TW-7?
TW-7 is a Tank Barge flagged to United States of America.
What is TW-7's U.S. Official No.?
TW-7's U.S. Official No. is 513226.
How big is TW-7?
TW-7 is about 90.7 m long, 16.5 m on the beam, drawing 3.9 m.
Is TW-7 on the Master's Mate Safety Initiative Network?
Not yet. If TW-7 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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