takeoff. that means really seconds away from a collision. it s at least the third near collision that we re hearing about just this week, and it s news that could make anyone traveling this memorial day weekend nervous. aviation correspondent renee marsh is following all the latest developments. what do we know about this one, renee? reporter: we re still getting the details but the faa telling us here at kr cnn these two planes came with within a mile of each other and they were about 400 feet apart vertically. if you were a passenger on this plane, you do not want to be in that situation. we are hearing about another situation of two passenger planes getting too close for comfort. 601 turn right turn. reporter: two more passenger planes get too close in the sky. on may 9, united flight 601 and united 437 took off from bush intercontinental air 30 poporta. shortly after takeoff flight 601 is told to turn right putting it