U.S. Official No. 671796
Not yet on Master's MateSS NO.1, a tanker under the American flag, measures 14 metres on deck. SS NO.1 has 7.9 metres in the beam and a 1.5-metre draft. She's listed under U.S. official number 671796. Add SS NO.1 to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.
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 SS NO.1 on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.