Transponder Fail News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Turned off, there are two on board as has been discussed as length, with different aircraft types, they operate independently. you only operate one at a time and the other one would have to be switched on. so as a pilot you would not know if your transponder fail until your air traffic controller reported that to you and then you would swap to the other transponder. over vast oceans like in the south pacific, there is plenty of space where there is no radar return for air craft so the loss of the signal isn't too odd. >> there cabin pressure may have dropped and there could have

That. critical to help determining what happened to this missing flight, the data recorders if they are ever found. suzanne malveaux got a chance to look inside these. >> a typical boeing 777 has two recorders. the cockpit data recorder and it's less likely to get damaged. getting to these devices is critical now. that is because despite the d durability, it's all about how quickly the investigators can find them. how could the transponder fail and the aircraft veer so widely off course? the data recorder would tell us. it looks kind of primitive. what does it do? >> it has an armored shell an...