Chapter 99 heading 9903.01.82
Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts, and components; their other parts, components, and subassemblies; and ground flight simulators and their parts and components…
Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts, and components; their other parts, components, and subassemblies; and ground flight simulators and their parts and components of Brazil, classified in the subheadings enumerated in subdivision (x)(iv) of U.S. note 2 to this subchapter