41.   During an England-bound commercial airline flight over the Atlantic Ocean, about half the passengers suddenly vanish, leaving only clothing and a few personal effects.

42.   Environmentalists and the Park Service contend that increases in the number of noisy flights over the park degrade the experience of visitors on the ground.

43.   Environmentalists have called for reducing air-tour flights over Grand Canyon to reduce noise and to provide hikers and rafters with as much natural quiet as possible.

44.   Environmental laws prohibit or restrict flights over certain public lands and restrict the landing of amphibious craft on beaches.

45.   For example, Carroll said, you may have a beginning pilot take a flight over a computer graphic version of Luke Air Force Base.

46.   France has already sent several support ships to the Arabian Sea and is conducting reconnaissance flights over Afghanistan from a base in the United Arab Emirates.

47.   He met his future wife, Trudy, a fellow language student in Beijing, on the long flight over.

48.   He said the FAA investigator asked the military if there had been any flights over the area or any exercises that might explain the blobs.

49.   His career has included combat flights over Vietnam and a stint as Air Force surgeon general.

50.   Her colleague, Gonzalo Medina, mysteriously disappeared during a helicopter flight over the state of Baja California.