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re: A wild idea about the missing plane

Posted on 3/10/14 at 11:00 am to
Posted by Zach
Gizmonic Institute
Member since May 2005
112595 posts
Posted on 3/10/14 at 11:00 am to
quote:

why in the world would they allow for the transponder to be turned off, I would think it would be tamper proof?


The pilot can do it according to my friend. The pilot could be the hijacker.
Posted by son of arlo
State of Innocence
Member since Sep 2013
4577 posts
Posted on 3/10/14 at 11:04 am to
quote:

The pilot can do it according to my friend. The pilot could be the hijacker.


The transponder's in the cockpit. ATC gives you a 4 digit code to transmit that ID's you from other aircraft. It's got an on/off button just like all the other avionics.

ETA: There is a mode where the transponder will also transmit your altitude. One of the first thing the 911 jihadis did was to turn off the transponder to make it harder for ATC to track them. Ground radar can still get a "skin paint" off your plane though.
This post was edited on 3/10/14 at 11:11 am
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