51.   Generally, the shortage of flight instructors has been merely a headache for would-be pilots and flight schools.

52.   Fueled by his passion for flying, he attended flight school in Alabama.

53.   Fort Pierce and Phoenix were chosen for the flight schools because of their weather, which allows for year-round flying, he said.

54.   Gonzalez supervised the Phoenix division, which last July produced the much discussed memo suggesting that investigators canvass flight schools nationwide for Al Qaeda terrorists.

55.   He began to investigate Middle Eastern students at a flight school in Prescott, about two hours from Phoenix, and had become suspicious that they might be terrorists.

56.   He did not actually take part in the terrorist attacks because he was under arrest for suspicious behavior at an American flight school.

57.   He enrolled in flight school this spring, while the others had trained on large aircraft simulators for a year or more before the hijackings.

58.   He entered flight school and became a naval aviator, piloting various types of attack planes.

59.   He had aroused suspicions by seeking to buy time on a flight simulator for jetliners at a Minnesota flight school.

60.   He had been arrested on a passport violation in August, after he tried to convince a Minnesota flight school to help him learn only how to steer jetliners.