he threat of terrorists using small planes to attack American targets does exist and requires immediate action by the government, according to a Washington think tank that is nearing completion of a study of general aviation’s vulnerabilities. ‘It’s a threat that can’t be ignored any longer,” said David Heyman, the director of the homeland security program at the Center for Strategic and International Studies. Heyman said the nonpartisan research group has been working with the federal government on the study this year to evaluate intelligence out of Pakistan that presents specific scenarios in which Al Qaeda has looked at using small planes and helicopters for attacks on American soil. He said this intelligence was actually discovered ”several years ago” but is now beginning to get attention.Full Story