CVR Question
Holdatcharlie,
As other people above have stated, when data on a PC or MAC has been deleted, the sectors on which the data resides is only flagged as deleted in the file allocation table. On the old 30 minute analogue tape CVR, it may still have been possible to recover over written audio, because the erasure head isn't always perfectly aligned with the recording head. or may not reset every magnetic fibre on the tape But on modern solid state digital CVR it is impossible because the memory modules only has 30 minutes or 2 hours of storage space depending on which model is on the plane, so the oldest data is constantly being over written by new data. The older data is completely erased.
I hope this helps.
Last edited by PPL Hobbyist; 20th Apr 2014 at 11:30.
Reason: One too many repetitive words in the sentence