What is the role of a flight data recorder commonly known as?

The term commonly used to refer to a flight data recorder is "black box." This device is critical in aviation as it records various parameters during a flight, including altitude, speed, heading, and other essential data that can be vital during investigations following an incident or accident. The design of the black box includes features that ensure it remains intact and recoverable even after a severe impact, which is crucial for understanding the circumstances surrounding an incident.

Unlike options that refer to other aviation instruments or documents, the black box specifically serves to capture and store flight information, making it an indispensable tool for enhancing aviation safety and conducting thorough investigations. Other terms mentioned, such as voice recorder, flight tracker, and aviation logbook, serve entirely different purposes in aviation and do not encapsulate the comprehensive data recording function provided by the black box.