U.S. Official No. 1232550
Not yet on Master's MateMB 535 flies the American flag — a 36.6-metre cargo barge. She has a 9.1 m beam and a draft measuring 2.1 metres. On the registers she's U.S. official number 1232550. MB 535 is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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 MB 535 on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.