| 9801.00.30 | 00 | Any aircraft engine or propeller, or any part or accessory of either, previously imported, with respect to which the duty was paid upon such previous importation, if (1) reimported without having been advanced in value or improved in condition by any process of manufacture or other means while abroad, after having been exported under loan, lease or rent to an aircraft owner or operator as a temporary replacement for an aircraft engine being overhauled, repaired, rebuilt or reconditioned in the United States, and (2) reimported by or for the account of the person who exported it from the United States | X | Free | | Free |
| 9802.00.40 | | Articles returned to the United States after having been exported to be advanced in value or improved in condition by any process of manufacture or other means: | | | | |
| 9804.00.35 | | Automobiles, trailers, aircraft, motorcycles, bicycles, baby carriages, boats, horse-drawn conveyances, horses and similar means of transportation, and the usual equipment accompanying the foregoing; any of the foregoing imported in connection with the arrival of such person and to be used in the United States only for the transportation of such person, his family and guests, and such incidental carriage of articles as may be appropriate to his personal use of the conveyance | | Free | | Free |
| 9817.00.60 | 00 | Parts to be used in articles provided for in headings 8432, 8433, 8434 and 8436, whether or not such parts are principally used as parts of such articles and whether or not covered by a specific provision within the meaning of additional U.S. rule of interpretation 1(c) | X | Free | | The rate applicable in the absence of this heading |
