[Cindy]

I thought I had read an article indicating pilots are/are going to/are encouraged to protect their eyes/vision while flying.

[JellyJam]

AP now says there's been seven incidents, not six:

WASHINGTON — The FBI, concerned that terrorists could use lasers as weapons, is investigating why laser beams were directed into the cockpits of seven airplanes in flight since Christmas.

Laser beams can temporarily blind or disorient pilots and possibly cause a plane to crash.