“These few days are

[kurtcobainus]

“These few days are crucial for locating the black box flight recorder. The main problem is the battery of the underwater.

 

[EdwinWillers]

This has nothing to do with American Politics. Please ask the mods to move it for you to another, more appropriate subforum.

 

[Bedford]

The battery is sealed within the beacon, and the water won't affect it. The problem is that batteries die, and the battery in the dfdr and cvr are no different.