Page 10 - Acar System News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Will, based on the acar system, the maintenance system, going dark, and then the transponder going dark as well, eric. >> hey, katherine, it's andrea tantaros. who played the message that they received, that the data was changed through acars? do we know it came from a dispatcher, where did we get the information everybody is talking about today? >> the acar system for a layperson, this is a maintenance system onboard most of the boeing flights. it offered an upgraded system, but the basic system pulses out kind of an overall picture on the health of the aircraft about every half an hour. in t...

Talked about a few days ago. we go through the night. at 2:15 a.m. you're at 11:00 a.m. in the morning. the plane was last seen on a satellite. the acars system transmitting information stopped and there is part of a transmission on board the plane that still connects with satellites as it goes, maybe every hour, every 60 minutes. that handshake we talked about at 8:11 a.m., the last handshake apparently took place. where was the plane? we have an aviation attorney and aviation law professor and he is with me now in studio. how are you doing, sir and good morning to you. i thought 24 hours ago...

Work. that's one of the biggest problems in this search. the plane's transponder and the a car system that sends back data about the plane's health were apparently switched off. >> wouldn't surprise me that in the aftermath of this investigati investigation, a safety recommendation comes from the ntsb in this country, say you just have to put on a tracking system in every airliner that cannot be disabled. >> another piece of technology that could be due for an upgrade, flight data recorders. their batteries are only required to last 30 days and the signals they send have a range of only about ...

And if one of those shorts and starts an electrical fire it's almost impossible to get to it and put it out, and those can affect systems and that can be a very dangerous situation. jenna: is there no way for the pilot to let anyone know that something catastrophic is happening? >> if it takes out his system, and this is the real question because it seems to have taken out multiple backup systems. if the pilot's radios don't work, then you have the, then you have the transponder. you can actually send coded messages through the transponder. if the transponder's not working, you still have your...

Buttons and instead of going to beijing, you can make a left turn and head out west to the indian ocean. >> you don't a need to use that. you can simply change the heading. it's on auto pilot. it's not a manual control of an aircraft. you can change the heading to make the turn. >> miking, how do people know it was preprogrammed inside the cockpit? >> i don't know how they know inside the cockpit. what happened is this was sending information down to the ground where it was taken through the acar system. and that's where the information -- >> they got that from the acar system that was still f...