The deferred tax assets and liabilities (prior to the offsetting of balances within the same tax jurisdiction) were made up of the taxation effects of the following:
| 2017 | 2016 | |||||||
| RMB million | RMB million | |||||||
|
Deferred tax assets: |
||||||||
|
Impairment provision for obsolete flight equipment spare parts |
51 | 22 | ||||||
|
Impairment provision for receivables |
64 | 70 | ||||||
|
Impairment provision for property, plant and equipment |
104 | 11 | ||||||
|
Derivative financial instruments |
82 | 15 | ||||||
|
Impairment provision for available-for-sale investments |
25 | 25 | ||||||
|
Other payables and accruals |
29 | 88 | ||||||
|
Aged payables |
5 | 7 | ||||||
|
|
|
|
|
|||||
| 360 | 238 | |||||||
|
|
|
|
|
|||||
|
Deferred tax liabilities: |
||||||||
|
Depreciation and amortization |
(56 | ) | (85 | ) | ||||
|
Available-for-sale investments |
(162 | ) | (123 | ) | ||||
|
Derivative financial instruments |
(38 | ) | (37 | ) | ||||
|
|
|
|
|
|||||
| (256 | ) | (245 | ) | |||||
|
|
|
|
|
|||||
| 104 | (7 | ) | ||||||
|
|
|
|
|
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