Noise-related landing charges

At various airports in Switzerland, the landing charges payable include a component dependent on the noise generated by the aircraft. To this end, aircraft are broken down into noise classes.

Classification of prop driven aircraft with a maximum take-off weight of up to and including 8 618 kg, as per registration mark:

Classification of prop driven aircraft with a maximum take-off weight of up to and including 8'618 kg, without special muffler system:

This list contains the basic aircraft types. Aircraft which have been retrofitted with noise reducing equipment may be classified in a lower noise emission category. For Swiss aircraft, it is the classification in the aircraft register which is applicable.

Further information

https://www.bazl.admin.ch/content/bazl/en/home/specialists/aircraft/noise-related-landing-charges.html