Update added 4/23/2002 §134-51 Deadly weapons; prohibitions; penalty. (a) Any person, not authorized by law, who carries concealed upon the person's self or within any vehicle used or occupied by the person or who is found armed with any dirk, dagger, blackjack, slug shot, billy, metal knuckles, pistol, or other deadly or dangerous weapon shall be guilty of a misdemeanor and may be immediately arrested without warrant by any sheriff, police officer, or other officer or person. Any weapon, above enumerated, upon conviction of the one carrying or possessing it under this section, shall be summarily destroyed by the chief of police or sheriff. (b) Whoever knowingly possesses or intentionally uses or threatens to use a deadly or dangerous weapon while engaged in the commission of a crime shall be guilty of a class C felony. [L 1937, c 123, §1; RL 1945, §11114; RL 1955, §267-25; HRS §727-25; ren L 1972, c 9, pt of §1; am L 1977, c 191, §2; am L 1983, c 267, §1; gen ch 1985; am L 1989, c 211, §10; am L 1990, c 195, §3 and c 281, §11; am L 1992, c 87, §4; am L 1993, c 226, §1; am L 1999, c 285, §2] §134-52 Switchblade knives; prohibitions; penalty. (a) Whoever knowingly manufactures, sells, transfers, possesses, or transports in the State any switchblade knife, being any knife having a blade which opens automatically (1) by hand pressure applied to a button or other device in the handle of the knife, or (2) by operation of inertia, gravity, or both, shall be guilty of a misdemeanor. (b) Whoever knowingly possesses or intentionally uses or threatens to use a switchblade knife while engaged in the commission of a crime shall be guilty of a class C felony. [L 1959, c 225, §1; Supp, §264-9; HRS §769-1; ren L 1972, c 9, pt of §1; am L 1990, c 195, §4] [§134-53] Butterfly knives; prohibitions; penalty. (a) Whoever knowingly manufactures, sells, transfers, possesses, or transports in the State any butterfly knife, being a knife having a blade encased in a split handle that manually unfolds with hand or wrist action with the assistance of inertia, gravity or both, shall be guilty of a misdemeanor. (b) Whoever knowingly possesses or intentionally uses or threatens to use a butterfly knife while engaged in the commission of a crime shall be guilty of a class C felony. [L 1999, c 285, §1] [§302A-1134.6] Zero tolerance policy. (a) Any child who possesses, sells, or uses a dangerous weapon or switchblade knife, while attending school or while attending department-supervised activities held on or off school property, may be excluded from attending school for up to ninety-two school days, as determined by the principal and approved by the superintendent or other individuals designated pursuant to rules adopted by the board... (f) For purposes of this section: (1) "Dangerous weapon" means a dirk, dagger, butterfly knife, blackjack, slug shot, billy, metal knuckles, or other instrument whose sole design and purpose is to inflict bodily injury or death; provided that firearms are excluded from this definition; (3) "Switchblade knife" is as defined in section 134-52. _____________________ 1996 versions Hawaii - Public Safety and Internal Security Section 134.51. Carrying deadly weapons... Any person not authorized by law, who carries concealed upon one's person or within any vehicle... or who is found armed with any dirk, dagger... or other deadly or dangerous weapon, shall be fined... or imprisoned... Any weapon above enumerated, shall, upon conviction... be summarily destroyed... - 134-52. Whoever knowingly manufactures, sells, transfers, possesses, or transports in the State any switchblade knife, being a knife having a blade which opens automatically (1) by hand pressure applied to a button or other device in the handle of the knife, or (2) by operation of inertia, gravity, or both, shall be fined not more than $1,000 or imprisoned not more than one year, or both... Hawaii Case Law: - "'Other deadly or dangerous weapon' is limited to instruments whose sole design and purpose is to inflict bodily injury or death... A 'diver's knife' is neither a 'dangerous weapon' nor a 'dagger'. 'Deadly and dangerous weapon' is one designed primarily as a weapon or diverted from normal use and prepared for combat... Cane, butterfly, and kitchen knives are not deadly or dangerous weapons... Sheathed sword cane and wooden knuckles with shark's teeth were 'deadly or dangerous weapons..." http://www.knife-expert.com