|Persons screened (millions)||585||993||1,145||1,263||1,812|
|Persons arrested carrying firearms/explosives||1,031||1,310||1,336||1,194||600|
|Persons arrested giving false information||32||42||18||68||61|
|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.
Key: U = unavailable.
Sources: Persons screened, firearms detected, and persons arrested-1980-1985: U.S. Department of Transportation (USDOT), Federal Aviation Administration (FAA), Semiannual Report to Congress on the Effectiveness of the Civil Aviation Security Program, July 1- December 31, 1985 (Washington, DC: May 1986). 1990-2000: USDOT, FAA, 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, Mar. 29, 2000, and Aug. 7, 2001. Bomb threats received-USDOT, FAA, Criminal Acts Against Civil Aviation (Washington, DC: Annual issues).