Page 24 - Acars System News Today : Breaking News, Live Updates & Top Stories | Vimarsana

It off. whoever did it, the other one would have in theed. so that's new information. and then the acars system, aircraft, communication and reporting system, that's up here. that apparently was not turned off because you can't turn it off. you had pull the fuse and there are fuse panels up hire and oun the side. so for. >> let test that theory a little more. he is a cnn aviation analyst. certainly you understand this body of belief we're dealing with now. do you accept the premise that somebody must have done this? if so why and what would it involve? >> it's quite easy to turn over the trans...

I'm aware of that they can pick up the altitude on that plane once the transponders turned off. so, it's wild speculation, i believe. >> one of the other things that's developed over the last few days is this notion that the acars system, one of the flight tracking systems, the data transmission systems, was shut down before the last vocal contact, before the pilot said, all right, goodnight. what does that tell you? >> again, it's speculation, because what they're saying is, they're giving an intent, a motive, a conclusion to an act that they've seen. something turns off, something ceases to ...

Time. that's still a possibility. let's say this was some type of 9/11 hijacking. leaving one and going to the other would have been the perfect time. that's when it went off course and never contacted the next atc. >> let's follow the line of thinking it wasn't turned off. it is a pretty involved process to shut down that acars system, no? >> you have to get out of the cockpit, underneath the belly of the plane. >> i was talking to a 777 sar plane. he said it is a big deal. even if you get down there, there is so much avianic equipment out there, you have to be trained to know what piece of e...

Said, all right, good night. now, they are saying that does not appear be to the case or may not be. explain to me the significance of that timeline is. >> well, the significance is that acars systems communicates back to the home office if they had the data plan. it is being reported that they didn't have the data plan. it is still going to try to communicate with the satellite. it is not going to be allowed through. it's those transmissions they are using to locate it. if it was up four, five, seven hours, how could it be shut off? >> if it was shut off before they said all right, good night...

So much information is contradictory or nearly impossible. last week, he famously showed us how to turn off the transponder. there is another system in play, the acars system. how could you turn that off? can you show us in the cockpit how that can be disabled? >> let me show you the a cars system here. you can see this screen. this is the screen that's used to communicate. it is a very sim texting kind of messaging system between the ground and the pilot or the pilot to the ground. you usually use a code. it is done with a mouse and a key input. to turn it off, the system is located in this a...