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INVENTORIES (Tables) | 12 Months Ended
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Dec. 31, 2017
Inventories Tables |
Schedule of composition of inventories | The composition of Inventories is as follows:
|  | As of |  |  | As of |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
|  | ThUS$ |  |  | ThUS$ |
Technical stock |  |  | 195,530 |  |  |  | 191,864 |
Non-technical stock |  |  | 41,136 |  |  |  | 49,499 |
Total |  |  | 236,666 |  |  |  | 241,363 |
Schedule of inventory average cost, net of provision for obsolescence | The items included in this heading are spare parts and materials that will be used mainly in consumption in in-flight and maintenance services provided to the Company and third parties, which are valued at average cost, net of provision for obsolescence, as per the following detail:
|  | As of |  |  | As of |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
|  | ThUS$ |  |  | ThUS$ |
Provision for obsolescence Technical stock |  |  | 21,839 |  |  |  | 31,647 |
Provision for obsolescenceNon-technical stock |  |  | 6,488 |  |  |  | 3,429 |
Total |  |  | 28,327 |  |  |  | 35,076 |

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