of air traffic control going here. >> roger that. >> this is just unbelievable. how dumb can you be? >> reporter: former ntsb official peter volls says with runway safety such a critical issue, what happened is senseless. >> it's one thing to have your children into the tower to get a look at it. it is a completely different story when you're putting them on the microphone with hundreds of passengers on these planes. >> reporter: the incident comes on the heels of other eyebrow-raising events involving controllers and pilots in the last year. two pilots had their license revoked after over shooting the minneapolis airport by 150 miles. both said they were using their laptop computers. the pilots are appealing. in teterboro, new jersey, moments before a midair collision over the hudson river, a controller was making a personal call and a supervisor had left the building. they were both put on leave. now passengers are left to wonder about what happened at