18 USC § 32 - Destruction of aircraft or aircraft facilities
(a) Whoever willfully—
(1) sets fire to, damages, destroys, disables, or wrecks any aircraft in the special aircraft jurisdiction of the United States or any civil aircraft used, operated, or employed in interstate, overseas, or foreign air commerce;
(2) places or causes to be placed a destructive device or substance in, upon, or in proximity to, or otherwise makes or causes to be made unworkable or unusable or hazardous to work or use, any such aircraft, or any part or other materials used or intended to be used in connection with the operation of such aircraft, if such placing or causing to be placed or such making or causing to be made is likely to endanger the safety of any such aircraft;
(8) attempts or conspires to do anything prohibited under paragraphs (1) through (7) of this subsection;
shall be fined under this title or imprisoned not more than twenty years or both.
18 USC § 31 - Definitions
(a) Definitions.— In this chapter, the following definitions apply:
(1) Aircraft.— The term “aircraft” means a civil, military, or public contrivance invented, used, or designed to navigate, fly, or travel in the air.
18 USC § 2332g - Missile systems designed to destroy aircraft
(a) Unlawful Conduct.— (1) In general.— Except as provided in paragraph (3), it shall be unlawful for any person to knowingly produce, construct, otherwise acquire, transfer directly or indirectly, receive, possess, import, export, or use, or possess and threaten to use—
(A) an explosive or incendiary rocket or missile that is guided by any system designed to enable the rocket or missile to—
(i) seek or proceed toward energy radiated or reflected from an aircraft or toward an image locating an aircraft; or
(ii) otherwise direct or guide the rocket or missile to an aircraft;
(B) any device designed or intended to launch or guide a rocket or missile described in subparagraph (A); or
(C) any part or combination of parts designed or redesigned for use in assembling or fabricating a rocket, missile, or device described in subparagraph (A) or (B).
(d) Definition.— As used in this section, the term “aircraft” has the definition set forth in section 40102 (a)(6) of title 49, United States Code.
40102 (a)(6) of title 49
“aircraft” means any contrivance invented, used, or designed to navigate, or fly in, the air.