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ACCOUNTING ESTIMATES AND JUDGMENTS (Tables) | 12 Months Ended
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Dec. 31, 2017
Accounting Estimates And Judgments |
Schedule for intangible assets with an indefinite useful life assigned to CGU | The book value of the surplus value assigned to each CGU as of December 31, 2017 amounted to ThUS $ 2,146,692 and ThUS $ 525,858 (ThUS $ 2,176,634 and ThUS $ 533,748 as of December 31, 2016), which include the following Intangible assets of indefinite useful life:
|  | Air Transport CGU |  |  | Coalition and loyalty Program Multiplus CGU |
|  | As of |  |  | As of |  |  | As of |  |  | As of |
|  | December 31, |  |  | December 31, |  |  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Airport Slots |  |  | 964,513 |  |  |  | 978,849 |  |  |  | - |  |  |  | - |
Loyalty program |  |  | - |  |  |  | - |  |  |  | 321,440 |  |  |  | 326,262 |

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