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JFK
Jun 4 2008, 08:52 PM
So what you are saying is that any terrorist can hijack an airliner and fly it below 2k feet and search radar is worthless ?
In the DC area ?

Do you have any idea how ludicrious that sounds ?

I could understand that statement if we were discussing a place in the Rocky Mountains.... But not DC.

I should have anticipated that kind of conclusion. :-( Terminal Radars can depending upon a number of factors acquire at a lower altitude. All radars are much better over water where there is no clutter. This was not over water, it was in an urban area where ground clutter was definitely a big factor. If you will recall NORAD had extreme difficulty picking up both UA 175 and AA 11 because of ground clutter and they were both at high altitude.

I am not a radar expert and don't pretend to be. I was making a generalized statement that radar data at low altitude is unreliable. That is a correct statement. Don't try to draw spurious conclusions from it.

Airliners don't fly below 2K except for climbout and landing and the system DOES NOT depend entirely on search radar to determine if a flight is not going as per normal to it's prescribed destination.

I spent my entire USAF flying career during the Cold War. A goodly portion of that was spent developing and implementing tactics that would evade enemy radars. I do know how to do it, but I'm sure as hell not going to post details here. Islamic radicals already determined a way to exploit a weakness in the system and I'm not about to give them any additional help.
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SPLIT - reheats faith based accusation · American Flight 77