Boston GlobeAl-Qaida threat to small planesChicago Sun-TimesBY AP September 3, 2011 11:46PM WASHINGTON — The FBI and Homeland Security issued a nationwide warning about al-Qaida threats to small airplanes, just days before the anniversary of the 2001 terrorist attacks. Authorities said there was no specific or ...US warns of small airplane terror threatsThe Associated PressAviation warning issued over Al Qaeda, small planesLos Angeles TimesFeds warn on terror threatPoliticoVoice of Americaall 285 news articles »