U.S. Official No. 1139440
Not yet on Master's MateCBR 771, an American cargo barge, measures 41 metres on deck. Her hull carries a beam of 12.2 m and a draft of 2.7 m. Her papers read U.S. official number 1139440. CBR 771 belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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
Joining the Safety Initiative Network doesn't just put CBR 771 on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.