MMSI 205525490 · Call sign OT5254
Not yet on Master's MateNERO is a Belgian cargo ship, 135 metres in length. NERO has a beam of 24 m. On AIS she shows as MMSI 205525490, call sign OT5254. It's free to add NERO to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
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 NERO on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.