10 Provision for aircraft noise

 

 

 

 

 

(CHF million)

 

2023

 

2022

Balance as at 1 January

 

431.3

 

449.2

Change in provision for aircraft noise

 

–3.5

 

–17.9

Balance as at 31 December

 

427.8

 

431.3

of which current

 

19.4

 

45.7

of which non-current

 

408.4

 

385.6

For information on the reporting of noise-related data in the financial statements in accordance with the Swiss Code of Obligations, see also Reporting of noise-related costs in the financial statements.