Originally Posted by
gulliBell
Why do they always transport these things in an esky of water?
Originally Posted by
Pilot DAR
If instruments to be preserved are found immersed, it is good practice to transport them in the same water in which they were found, to delay or prevent corrosion. Corrosion will happen faster when the unit is exposed to air, so best immersed until at the facility which is ready to handle it properly.
From the NTSB CVR Handbook:
4.5. If the CVR is recovered in water, it shall immediately be packed in water (fresh, if possible) and not be allowed to dry out. Packaging may be accomplished by sealing the recorder (in water) inside a plastic beverage container with silicon [sic] adhesive or a similar sealant.
Originally Posted by
Machinbird
No evidence of a pinger on this unit. Some significant distortion of the case in places. Likely the pinger was knocked off of it during the accident.
The pinger is normally removed prior to shipment according to NTSB CVR guidelines:
4.7. The IIC [Investigator-in-Charge] should attempt to ensure that the underwater locator beacon (ULB) is removed and properly disposed of or returned to the operator prior to shipping. If the ULB cannot be disposed of or returned, contact the chief of the Vehicle Recorder Division (RE-40) for guidance.
https://www.ntsb.gov/investigations/...R_Handbook.pdf