Originally Posted by jbr76
Correct me if I am wrong but a u/s ELT is not MEL-able. There must be a serviceable ELT for the aircraft.
The ELTs are designed to survive a pretty harsh impact and have g-sensors which activate upon imact.
ELT's are very much water resistant.
Some of your responses are flawed.
You appear to put a lot of faith in your equipment.