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32 United States of America v. Zacharias Moussaoui (Defendant). Indictment. In the U.S. District Court for the Eastern District of Virginia, Alexandria Division. December 2001 Term.
33 U.S. Central Intelligence Agency. Terrorist CBRN: Materials and Effects.
34 U.S. Central Intelligence Agency. Unclassified Version of Director of Central Intelligence George J. Tenet's Testimony before the Joint Inquiry into Terrorist Attacks Against the United States, 18 June 2002.
35 Associated Press. “U.S. Uncovers Al-Qaida Plot in Pakistan; The Terrorist Group Allegedly Planned to Fly an Airplane into the American Consulate.” Telrgraph-Herald (Dubuque, Iowa), May 3, 2003, p. A7.
36 Ibid.
Risk Factors Associated with General Aviation
In examining the security risk posed by aircraft that could be utilized in suicide attacks or as launch platforms for conventional weapons, the threat posed by general aviation aircraft is largely a function of aircraft weight, payload capacity (including fuel capacity), and speed. Other factors would likely play a relatively small role in the overall threat posed by particular aircraft. For example, aircraft agility – a rough measure of its capability to maneuver and evade countermeasures – may be considered a factor in the risk equation, albeit a relatively minor one. A small two-seat sport aircraft might be quite agile, but its small size, relatively slow speed, and limited payload capacity may significantly limit the threat posed by such an aircraft. GA interests point out that most GA aircraft are capable of carrying less payload than a typical light car.37 For example, both the Cessna 172 and Piper Warrior – very popular single-engine aircraft – have maximum takeoff weights of less than 2,500 pounds and useful payloads (including allowances for fuel and passengers) of less than 1,000 pounds.38 By contrast, the truck bomb used in the April 19, 1995, Oklahoma City bombing was believed to have contained about 5,000 pounds of improvised explosives and the truck bomb involved in the February 26, 1993 bombing at the World Trade Center in New York City was believed to contain a 1,300 pound device. While these events involved unusually large explosive devices, typical light GA aircraft would only be able to carry a device a small fraction of this size. Thus, at least with regard to being used as a platform for conventional explosives, the threat posed by light GA aircraft is relatively small compared to trucks which have significantly larger payload capacities.39
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