Final answer:
The CVDR is located in the tail of an aircraft, designed to survive crashes and record crucial audio and flight data for accident investigations.
Step-by-step explanation:
The CVDR, also known as the Cockpit Voice and Data Recorder, is an electronic recording device typically located in the tail of an aircraft. The positioning at the rear is strategic as it increases the chances of survival in the event of a crash. The CVDR is a crucial piece of technology, as it records the cockpit's audio environment, conversations between pilots, as well as communications with air traffic control, and also logs flight data that can be vital for investigating aviation accidents or incidents.
It is important for investigators to retrieve the CVDR after an incident to analyze the recorded information, which can provide insights into the sequence of events leading up to an accident. Modern CVDRs are encased in crash-protected shells to withstand extreme heat, pressure, and impact forces. Most aircraft also come equipped with an underwater locator beacon attached to the CVDR to assist in recovery if the aircraft is submerged under water.