This actually isn't that uncommon for airports. The first example which comes to mind is London City Airport which pays for local homes to have noise insulation

This actually isn't that uncommon for airports. The first example which comes to mind is London City Airport which pays for local homes to have noise insulation fitted[0]. I believe doing this has been a condition of them being granted planning approval to increase the number of flights they operate a number of times over the years. 0. https://www.londoncityairport.com/corporate/environment/noise-management-and-monitoring/sound-insulation-scheme https://www.londoncityairport.com/corporate/environment/nois...