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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

CMS-427

U.S. Official No. 580941

Not yet on Master's Mate
Type
Freight Barge
Flag
USAUSA
Length
33.6 m
Beam
9.2 m
Draft
2 m
First reported
Jun 2026
AIS reports
1

CMS-427, an American barge, measures 33.6 metres on deck. Below, she has a beam measuring 9.2 metres and a draft of 2 m. Officially she's U.S. official number 580941. Add CMS-427 to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

Free forever · No credit card · for commercial operators

Eyes on CMS-427, 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 CMS-427 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 CMS-427 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 CMS-427 and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About CMS-427

What kind of vessel is CMS-427?
CMS-427 is a Freight Barge flagged to United States of America.
What is CMS-427's U.S. Official No.?
CMS-427's U.S. Official No. is 580941.
How big is CMS-427?
CMS-427 is about 33.6 m long, 9.2 m on the beam, drawing 2 m.
Is CMS-427 on the Master's Mate Safety Initiative Network?
Not yet. If CMS-427 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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