CFR›Title 19›Chapter I›Part 10›Subpart A›Subject Group Civil Aircraft ContainsSection § 10.183CorpusDaily eCFRDisplayed edition2026-09-23Last updated2026-09-23 Sections § 10.183 § 10.183 Duty-free entry of civil aircraft, aircraft engines, ground flight simulators, parts, components, and subassemblies.