plane taking off from laguardia. renay marsh live in washington. walk us through what happened. >> that's right, carol. this near-miss happened in perhaps the busiest airspace in the country. we've pulled in a portion of the audio between the delta 747 and the control tower. what you're about to hear is the control tower telling the pilot the direction and altitude of another plane that's coming his way. listen. >> 172, returning? >> yes, sir. almost at 047 now. >> traffic 12:00, 1400 feet. 1600 feet. >> we've got him on the fish finder here. >> okay. eastbound at 1800 feet coming out. >> turning right to 06 here. >> all right. again, you're hearing that air traffic controller giving him the warning that you're going to see this plane and hear the