49 U.S.C. § 46308

(1)

with intent to interfere with air navigation in the United States, exhibits in the United States a light or signal at a place or in a way likely to be mistaken for a true light or signal established under this part or for a true light or signal used at an air navigation facility;

(2)

after a warning from the Administrator of the Federal Aviation Administration, continues to maintain a misleading light or signal; or

(3)

knowingly interferes with the operation of a true light or signal.