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...security, while the new pilots turned off the [[transponder]]s needed for air traffic control, and flew the planes, each loaded with over 20,000 gallons of fuel, toward ...ng been shut down when Soviet bombers were no longer a significant threat; air traffic control uses transponders, not [[radar]] reflections. There was no simple way to fi

...ed with weather radar, and you can't draw comparisons between military and air traffic control radars unless they are described with sufficient detail for a radar expert ...ould exclude things at significantly different speed than an airliner. FAA air traffic control radar has more, not less, clutter rejection than a military air surveillanc

Outside specific programs such as designated military or air traffic control networks, the U.S. government is an "unfunded mandate". In 2003, however, t

...uge [[infrared]] signature when cruising at Mach 3+). It was visible on [[air traffic control]] radar for hundreds of miles, even when not using its [[Transponder#Aviati

...s airfield, but it was usable by military pilots with appropriate tactical air traffic control.

...al observation and measurement. Radar, electronic systems engineering, and air traffic control are more in IEEE. As far as incident investigation, NTSB is a respected ind ...Engineering is the best fit, because we have put transportation, including air traffic control, accident investigation, the principles of [[radar]] and [[electro-optical

*The interior of the US is not routinely covered by true radar. [[Air Traffic Control]] uses [[transponder]]s, which the hijackers had turned off. So, the only w

...hita. Many non locally based US institutions (such as the US Military and Air Traffic Control) use UTC for similar reasons. Your argument would imply that if the servers