|Other cutting instruments||2,973,413||3,567,731|
|Incendiaries and explosive/flammable materials||494,123||693,649|
|Total prohibited items||6,114,612||7,089,599|
Notes: Other cutting instruments includes scissors, hatchets, swords, sabers, meat cleavers, ice axes, and picks.
Knives includes any length and type except round-bladed, butter, and plastic cutlery.
Clubs includes martial arts items, baseball bats, night sticks, hammers, pool cues, and billy clubs.
Firearms includes any weapon (including a starter gun) that is designed to or may readily be converted to expel a projectile by the action of an explosive, as well as spear guns, BB guns, flare pistols, compressed air guns, and stunning devices.
Other refers to tools, self-defense items, compressed gas cylinders, bleach, and certain sporting goods.
For further clarification about terms, see http://www.tsa.gov/interweb/assetlibrary/Permitted_Prohibited_9_6_2005.pdf.
Source: U.S. Department of Homeland Security, Transportation Security Administration, personal communication, July 2005.