A recent statement from the National Transportation Safety Board shed light on the functionality of voyage data recorders (VDRs) on cargo ships, particularly in comparison to those on airplanes. The NTSB Chair emphasized that while the VDR on the cargo ship Dali was a newer model, it is considered basic when contrasted with flight data recorders.
Unlike flight data recorders that can capture up to 1,000 parameters, the VDR on the cargo ship primarily focuses on data from the bridge. This includes essential information such as GPS data, audio recordings, rudder feedback, and rudder commands. However, the VDR does not encompass a ship-wide system recorder, meaning that it does not record engineering-related data like the temperature of each cylinder or power distribution sensors.
Understanding the limitations of VDRs on cargo ships is crucial for investigating maritime incidents effectively. While these recorders provide valuable insights into navigational aspects and certain operational data, they do not offer the comprehensive scope of information that flight data recorders do for aircraft.
As maritime safety remains a top priority, discussions around enhancing VDR capabilities on cargo ships may arise to ensure a more comprehensive recording of critical data. By addressing these technological gaps, authorities can further improve the safety and efficiency of maritime transportation.
