Originally Posted by
lomapaseo
Does the pinger keep on ticking after they retrieve the CVR, maybe that's why the remove it to save their ears when they pack it in water
At 37.5 kHz most of us wouldn't have to worry about hearing the pinger. But, it does have a lithium battery which may be damaged.
From the NTSB FDR Handbook:
3.5. If there is any visible damage to the underwater locator beacon (ULB or “pinger”), it should be removed prior to shipping. Use caution when handling damaged beacons.
https://www.ntsb.gov/investigations/...R_Handbook.pdf