MMSI 244650821 · Call sign PF5227
Not yet on Master's MateUSSUS is a Dutch cargo ship, 61 metres in length. USSUS has a 7-metre beam and a 2.5 m draft. On AIS she appears as MMSI 244650821, call sign PF5227. Add USSUS to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
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 USSUS on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.