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How Can An Entire Plane Go Missing When Technology Tracks Our Every Move?

Tuesday, December 30, 2014 6:12
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An Indonesia AirAsia Airbus A320-200 passenger prepares to land at Sukarno-Hatta airport in Tangerang on the outskirts of Jakarta in this January 30, 2013 file picture. REUTERS/Enny Nuraheni/Files

Brian Fung | Washingtonpost.com

Call 911 from the side of the road, and GPS satellites can tell dispatchers exactly where to send help. Airline passengers have access to detailed maps that show exactly where they are during their journey. Hop onto WiFi, and somehow Google knows whether you’re logging on from Lima or London, and will give you detailed suggestions about what to eat.

For all these abilities, how is it that we have no idea where Malaysia Flight 370 has gone? The answers offer a humbling look at the limitations of our current technology.

What happened to radar?

Radar only extends so far. Most of us landlubbers understand that air traffic controllers typically use radar to monitor a flight’s progress. That’s all very well over land. But radar also has a limited range, and you can’t put a radar station in the middle of the ocean. So pilots often have to stay in contact through other means, such as periodic radio check-ins. In between check-ins, the controller has only a general idea of where a plane is and where it’s headed.

According to the Associated Press, Flight 370 may have been in contact with military radar in its final moments — but whether a civilian air traffic controller knew where it was is less clear. We know that Flight 370’s transponder signal was lost just as the plane  was supposed to be entering Vietnamese air space — and because transponders are meant to work with radar, that suggests the plane was close enough to shore to be on somebody’s screen.

What about those flight maps that passengers see while they’re on board a plane? Could those be used to reverse-engineer Flight 370’s location?

Not really. According to Melissa Rudinger, the vice president of government affairs at the Frederick, Md.-based Aircraft Owners and Pilots Association, those maps you sometimes see in the seat back in front of you are actually the result of data being collected by ground stations that’s “packed into a format you can view.” So even if you could get your hands on that information, it would probably still contain the same unknowns that are confounding investigators right now.

Could somebody have turned off the aircraft’s transponder?

That’s a tricky question. Pilots can send coded messages over the transponder in an emergency.

Read the Rest of the Article…



Source: http://truthisscary.com/2014/12/how-can-an-entire-plane-go-missing-when-technology-tracks-our-every-move/

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