MMSI 244010269 · Call sign PD9339
Not yet on Master's MateCHALLENGER is a Dutch merchant ship, 110 metres on deck. She has a 12 m beam. Officially she's MMSI 244010269, call sign PD9339. Give CHALLENGER the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
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 CHALLENGER on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.