administration says the two aircraft were turning away from each other at the point where they loss required separation. both aircraft landed safely. tower control audio between the air traffic controller and delta pilot released today gives us a glimpse into the moment a problem was flagged. here we have it. delta 17. this is the what controller says. heavy. traffic. 12:00. 1400 feet. embraer, 1600 feet. the pilot responds, okay. we've got them on the fish finder here. controller. okay, he is eastbound at 1800 feet. now faa regulations require that commercial planes be separated by at least three miles or 1,000 feet in altitude. air transportation experts say these type of air proximity incidents are routinely investigated by the faa according to the department of transportation there were 102 pilot reported near midair collisions in 2011. and as many as 90 in 2010. one expert we spoke to is