(CNN) Two commercial pilots flying over the Arizona desert claim they saw an unidentified flying object pass overhead, according to a radio broadcast released by the Federal Aviation Administration.

A Learjet pilot and an American Airlines pilot saw the object on February 24 and radioed the regional air traffic controller in Albuquerque.

"Was anybody, uh, above us that passed us like 30 seconds ago?" the Learjet pilot said in the brief exchange.

"Negative," the air traffic controller replied.

"Okay," the pilot said. "Something did."

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