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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.
Freight Barge

BIG 578

U.S. Official No. 1231847

Not yet on Master's Mate
Type
Freight Barge
Flag
USAUSA
Length
61 m
Beam
10.7 m
Draft
4.3 m
First reported
Jun 2026
AIS reports
1

An American freight barge, BIG 578 measures 61 metres. Below, she has a 10.7 m beam and a draft of 4.3 m. Her papers read U.S. official number 1231847. It's free to add BIG 578 to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Free forever · No credit card · for commercial operators

Eyes on BIG 578, 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 BIG 578 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 BIG 578 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 BIG 578 and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About BIG 578

What kind of vessel is BIG 578?
BIG 578 is a Freight Barge flagged to United States of America.
What is BIG 578's U.S. Official No.?
BIG 578's U.S. Official No. is 1231847.
How big is BIG 578?
BIG 578 is about 61 m long, 10.7 m on the beam, drawing 4.3 m.
Is BIG 578 on the Master's Mate Safety Initiative Network?
Not yet. If BIG 578 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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