Officials probe why Las Vegas airport controller slurred words, went silent during shift



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By Associated Press

LAS VEGAS — Federal and airport authorities said Friday they are investigating why an air traffic controller became incapacitated and went silent while working a night shift alone in the tower at busy McCarran International Airport in Las Vegas.

“No safety events occurred during this incident,” the Federal Aviation Administration said in a statement about what officials said amounted to a 40-minute span during which the female controller slurred words and then apparently lost consciousness shortly before midnight Wednesday.

“An air traffic controller at the Las Vegas tower became incapacitated while on duty,” the agency said. It did not identify the controller or the cause of her incapacitation.

Airport director Rosemary Vassiliadis issued a statement saying that initial findings echoed the FAA assessment.

Image: Te news FAA tower under construction at McCarran International Airport in Las Vegas
The FAA tower under construction at McCarran International Airport in Las Vegas.Jeff Scheid / AP file

Five inbound aircraft remained airborne during the incident, and aircraft on the ground held positions or communicated between themselves to maintain safety while moving, the FAA said.

Air traffic recordings available on the internet show commercial airline pilots having trouble understanding the controller during radio communications about approaches to land, clearances to take off and directions for taxiing. Some begin talking between themselves about something being amiss.

At one point, the controller sounds sleepy and apologizes over the radio, saying she is “choking a little bit.” Minutes later, she misstates an aircraft’s call numbers. Finally, her microphone opens to the sound of coughing and grunting.

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