>> so i lined it up with the runway, and i took my second circle around. >> now, on the second attempt, the winds were starting to shift, and he was unable to line it up for a landing. so he decided to go around again. on the third attempt, the same conditions existed. however, by now the winds had shifted 180 degrees. now he had a tailwind. because he had a tailwind, he was too high on the approach. >> so at that point i told my crew, tell the tower i'm going to my alternate. >> calculations showed that they would make it just barely. they were legal by their calculations. but there wasn't mu...