71.   No electronic navigational equipment is allowed on the boats, although some crews had helicopters flying overhead to guide them back to Long Beach.

72.   No helicopter could fly in such conditions.

73.   Officials said helicopters flew over the area late Thursday and pilots detected no trapped hikers or campers.

74.   Occasionally, American helicopters flew near the mountains, then swooped away.

75.   One pilot received orders that the helicopters should fly in formation, while the other was told to fly separately from the other craft, the report said.

76.   Or how helicopters fly and why chopping up onions makes you cry.

77.   Once again, Israeli helicopters flew in from the Mediterranean Sea to fire missiles into southern suburbs where Hezbollah has its strongholds.

78.   Outside military headquarters, curious Haitian civilians snapped photographs of the American soldiers who accompanied Shelton and stared into the sky as Cobra helicopters flew overhead.

79.   One helicopter then flew back to where Roberts was lost, and dropped off men to try to rescue him.

80.   Pakistan has agreed to let US warplanes and assault helicopters fly through its skies to reach Afghanistan.