Quick-Thinking Phoenix Controller Averts Disaster as Two Flights Share Call Sign

A potentially catastrophic situation was narrowly avoided early Friday morning when a Phoenix air traffic controller noticed that two American Airlines jets were operating under the same flight number. The controller's quick actions ensured the two aircraft, both designated as American 2482, maintained a safe distance from one another.

Audio from the incident, which occurred shortly after midnight, reveals how the controller managed the situation. One of the jets was arriving from Chicago while the other was departing from Phoenix. The controller immediately began using the designations "American 2482 on the arrival" and "American 2482 on the departure" to eliminate any confusion for the pilots.

The controller, who has 25 years of experience, expressed astonishment at the situation. "I've been working air traffic for 25 years. I've never seen two aircraft pretty much merge with the same call sign. That's pretty incredible," he said after the departing plane had cleared the area.

The primary danger was that if both pilots believed the controller was addressing them, they might have been directed to the same altitude while flying toward each other. To prevent this, the controller kept the arriving plane at a higher altitude as their paths converged. He also instructed the departing plane to limit its climb, ensuring a vertical gap remained between the two aircraft. He further ensured the pilots could visually identify each other while they were still miles apart.

Aviation safety expert Steve Arroyo, who spent four decades with United Airlines, suggested the error likely originated in the airline's dispatch center. He noted that someone probably failed to notice that both planes would be airborne simultaneously with the same flight number when the flight plans were approved. "You can drop the ball and that shouldn't happen, but it's nice to see that the system is resilient and we have all the safeguards," Arroyo said, adding that he has only seen this type of issue a couple of times in his career.

Flight 2482 is a routine round-trip service between Chicago and Phoenix, typically operated by the same aircraft. However, the outbound flight from Chicago was delayed by weather, prompting American Airlines to use a second plane for the return leg from Phoenix. This resulted in both aircraft sharing the same airspace briefly before the arriving flight landed.

The Federal Aviation Administration and American Airlines have both stated they will investigate the incident. In a statement, American Airlines said, "The diligence and professionalism of air traffic controllers and our pilots ensured required separation was always maintained and the issue was identified and addressed. Both flights continued safely and without incident."