81.   But the Canadian report said the two pilots were not aware of the training site or the exercise under way.

82.   But the pilot was not discouraged and neither were his followers.

83.   But the pilot was pretty cool.

84.   But the pilots were concerned with safety as well.

85.   But the results of the air strikes were negligible, and NATO pilots were left to observe from the air as the Serbs overran the area.

86.   But this is only for periods when course changes are not needed, and most pilots are awake most of the time.

87.   But the pilot is more or less a footnote in aviation history.

88.   But this retired Air Force doctor and pilot is a battle-hardened veteran of both Vietnam and Project Gargle.

89.   But with night already blanketing the Bihac area, the NATO pilots were apparently unable to find their targets.

90.   By contrast, a government pilot is not subject to any outside authority.