Voyage Data Recorder is an equipment which can record ship navigation status and manipulation information and take an important role on navigation safety at sea and accident analysis.

The "black box" recorder on a train that derailed in Australia injuring more than 100 passengers this week showed it was travelling at almost twice the speed limit when the accident occurred.

Voyage Data Recorder (VDR) is an equipment which can record ship navigation status and manipulation information and take an important role on navigation safety at sea and accident analysis.