Table 6,
Prohibited Items Intercepted at U.S. Airport Screening Checkpoints: 2003,
Items,Number
Other cutting instruments,"2,973,413"
Knives,"1,961,849"
"Incendiaries and explosive/
flammable materials","494,123"
Clubs ,"25,139"
Box cutters ,"20,991"
Firearms ,683
Other,"638,414"
Total prohibited items ,"6,114,612"
"Notes: Other cutting instruments refers to, e.g., scissors, swords, sabers, and ice axes/picks. ",
"Knives include any length and type except round-bladed, butter, and plastic cutlery.",
"Clubs refers to, e.g., baseball bats, night sticks, and billy clubs.",
Firearms and guns refers to any weapon (excluding a starter gun) that is designed to or may be readily converted to expel a projectile by the action of an explosive.,
"Other refers to tools, self-defense items, and sporting goods (excluding baseball bats).",
"For further clarification about terms, see http://www.tsa.gov/interweb/ assetlibrary/Permitted_Prohibited_8_23_2004.pdf.",
"Source: U.S. Department of Homeland Security, Transportation Security Administration, personal communication, November 2004.",