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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

ABC 771

U.S. Official No. 627721

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

ABC 771 is an American cargo barge — 59.5 metres overall. She carries a 10.7-metre beam and a 3.3 m draft. Her registration reads U.S. official number 627721. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — ABC 771 included.

Free forever · No credit card · for commercial operators

Eyes on ABC 771, 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 ABC 771 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 ABC 771 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 ABC 771 and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About ABC 771

What kind of vessel is ABC 771?
ABC 771 is a Freight Barge flagged to United States of America.
What is ABC 771's U.S. Official No.?
ABC 771's U.S. Official No. is 627721.
How big is ABC 771?
ABC 771 is about 59.5 m long, 10.7 m on the beam, drawing 3.3 m.
Is ABC 771 on the Master's Mate Safety Initiative Network?
Not yet. If ABC 771 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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