View Single Post
Old 03-18-2014, 02:12 PM
  #659  
rickair7777
Prime Minister/Moderator
 
rickair7777's Avatar
 
Joined APC: Jan 2006
Position: Engines Turn Or People Swim
Posts: 39,101
Default

Originally Posted by forgot to bid View Post
Alright, I have to ask this again about the ELT. Wouldn't a B777 in 2014 have a 406mhz ELT on it?

If it crashed then the ELT would have been activated by impact and within a minute an encoded digital message to a satelite saying the ELT's ID/aircraft ID, country code and coordinates. I've seen it work.

They are not hardened like the CVR/FDR. They are designed to locate survivors, thus there is no need for them to survive a 500Kt impact and still function. Even if it did survive, UHF doesn't work underwater.
rickair7777 is offline