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The F.A.A. has since been training on-call specialists to be snappier about administering alcohol and drug tests after a serious incident, an official said.
By Karoun Demirjian
The air traffic controllers on duty at Ronald Reagan National Airport on the night that a Black Hawk helicopter crashed into a commercial jet, killing 67 people, were never tested to determine if any of them had alcohol in their system at the time of the accident. And it took 18 hours before they were tested for drugs.
