Please read this...
Whoever willfully ... sets fire to, damages, destroys, disables, or wrecks any aircraft ... shall be fined under this title or imprisoned not more than twenty years or both. Whoever willfully ... imparts or conveys any threat to do an act which would violate {the above} ... shall be fined under this title or imprisoned not more than five years, or both.
https://www.law.cornell.edu/uscode/text/18/32