> is a nice thing to know but [not] relevant for flight safety [edited to what I think you meant] If the pilots made mistakes you want to know what mistakes th

> is a nice thing to know but [not] relevant for flight safety [edited to what I think you meant] If the pilots made mistakes you want to know what mistakes they made so you can make changes to prevent future pilots from making the same mistakes. The voice recorder is extremely important to understand what mistakes (if any) were made. Even if they did everything correctly, reducing uncertainty is also important.