12 Financial assets of Airport of Zurich Noise Fund

(CHF 1,000)

 

31.12.2017

 

31.12.2016

Current available-for-sale securities (see note 20, Airport of Zurich Noise Fund)

 

76,578

 

47,136

Non-current available-for-sale securities (see note 20, Airport of Zurich Noise Fund)

 

360,525

 

308,594

Total financial assets of Airport of Zurich Noise Fund

 

437,103

 

355,730

Available-for-sale securities consist mostly of CHF-denominated bonds and a mixed investment fund. The investment horizon of the bonds is based on the expected obligation to make payments from the Airport of Zurich Noise Fund and averages around four years. Interest on bonds was between 0.00% and 2.625% in 2017 (2016: between 0.00% and 3.375%). The funds are managed by professional financial institutions (see note 6, Finance result, and note 24.1 a) Financial risk management, i) Credit risk).