NBC News
The crash between an American Airlines jet and Army helicopter has revived concerns about aviation safety and a shortage of air traffic controllers, given recent near misses at airports.
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D.C. plane crash revives concerns about aviation safety and air traffic controller shortage
Denise Chow Randi Richardson
02:20
The crash between an American Airlines jet and Army helicopter has revived concerns about aviation safety and a shortage of air traffic controllers, given recent near misses at airports.
