U.S. Official No. 1234885
Not yet on Master's MateGONSOULIN 520, a tanker flying the American flag, measures 90.7 metres on deck. She carries a 16.5 m beam and a 3.7-metre draft. She's on record as U.S. official number 1234885. The Master's Mate Safety Initiative Network welcomes GONSOULIN 520 — free to join, cruiser-run, and always on watch.
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 GONSOULIN 520 on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.