Private aircraft.
Private aircraft. A private aircraft is any aircraft engaged in a personal or business flight to or from the U.S. which is not:
(1) Carrying passengers and/or cargo for commercial purposes;
(2) Leaving the U.S. carrying neither passengers nor cargo in order to lade passengers and/or cargo in a foreign area for commercial purposes; or
(3) Returning to the U.S. carrying neither passengers nor cargo in ballast after leaving with passengers and/or cargo for commercial purposes;
Source
19 CFR § 122.1
Scoping language
The following definitions apply in this part, unless otherwise stated: