I found these comments helpful. They breakdown the exchange between the tower and the approaching planes. The first is from an air traffic controller. http://w

I found these comments helpful. They breakdown the exchange between the tower and the approaching planes. The first is from an air traffic controller. http://www.reddit.com/r/worldnews/comments/1hrewx/asiana_airlines_boeing_777_has_crashed_at_the_san/cax80de http://www.reddit.com/r/worldnews/comments/1hrewx/asiana_air... http://www.reddit.com/r/worldnews/comments/1hrewx/asiana_airlines_boeing_777_has_crashed_at_the_san/cax7r3t http://www.reddit.com/r/worldnews/comments/1hrewx/asiana_air...