|Persons screened (millions)||585||993||1,145||1,015||1,111||1,150||1,261||1,263||1,497||1,660||1,903||1,754|
|Type of weapon detected|
|Other/other dangerous articlesb||108||74||304||275||N||N||N||N||N||N||N||N|
|Giving false information||32||42||18||28||13||31||35||68||131||72||86||58|
|Bomb threats received|
a Includes operators with a U.S. Department of Transportation, Federal Aviation Administration operating certificate engaged in scheduled passenger or public charter passenger
operations and airports at which these operations are conducted.
b In 1980 and 1985, the "Other" category was included with firearms; in 1990, "Other" became "Other Dangerous Articles."
KEY: N = data do not exist; U = data are not available.
Persons screened and persons arrested:
1980-85: U.S. Department of Transportation, Federal Aviation Administration, Semiannual Report to Congress on the Effectiveness of the Civil Aviation Security Program, July 1-December 31, 1985 (Washington, DC: May 1986).
1990-99: Ibid. Office of Civil Aviation Security Policy and Planning, Annual Report to Congress on Civil Aviation Security (Washington, DC: Annual issues), and personal communications, May 27, 1999 and Mar. 29, 2000.
Bomb threats received: Ibid., Criminal Acts Against Civil Aviation (Washington, DC: Annual issues)