Other net income

12 Months Ended

Dec. 31, 2019

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Other net income

14 Other net income

	2019		2018		2017
	RMB million		RMB million		RMB million
Government grants (Note)		4,129		4,348		3,075
Gains on disposal of property, plant and equipment and construction in progress
– Aircraft and spare engines and construction in progress		34		584		960
– Other property, plant and equipment		106		18		29
Penalty income		273		216		126
Others		582		272		258
		5,124		5,438		4,448

Note:

Government grants mainly represent (i) subsidies based on certain amount of tax paid granted by governments to the Group; (ii) subsidies granted by various local governments to encourage the Group to operate certain routes to cities where these governments are located.

There are no unfulfilled conditions and other contingencies related to subsidies that have been recognized during the years ended December 31, 2019, 2018 and 2017.