(b)
Whoever willfully—
(1)
performs an act of violence against any individual on board any civil aircraft registered in a country other than the United States while such aircraft is in flight, if such act is likely to endanger the safety of that aircraft;
(2)
destroys a civil aircraft registered in a country other than the United States while such aircraft is in service or causes damage to such an aircraft which renders that aircraft incapable of flight or which is likely to endanger that aircraft’s safety in flight;
(3)
places or causes to be placed on a civil aircraft registered in a country other than the United States while such aircraft is in service, a device or substance which is likely to destroy that aircraft, or to cause damage to that aircraft which renders that aircraft incapable of flight or which is likely to endanger that aircraft’s safety in flight; or
(4)
attempts or conspires to commit an offense described in paragraphs (1) through (3) of this subsection;
shall be fined under this title or imprisoned not more than twenty years, or both. There is jurisdiction over an offense under this subsection if a national of the United States was on board, or would have been on board, the aircraft; an offender is a national of the United States; or an offender is afterwards found in the United States. For purposes of this subsection, the term “national of the United States” has the meaning prescribed in section 101(a)(22) of the Immigration and Nationality Act.