There is a post about this nearly monthly. Here is an idea. If you don't like to hear airplane's all of the time.. Don't buy property near an airport. It was here before you and will be here after you are gone. Unless you intend to buy it and shut it down it is not going anywhere. Deal with it. Archive Link: https://archive.is/zMOc0 From the post: "Its location is close to larger airports, Vance Brand in Longmont and Rocky Mountain Metropolitan in Broomfield. Bringing in commercial air traffic would be very difficult since its proximity to the mountains means there's no instrument approach needed for heavier jets. The airport has generally been under the radar for a lot of people in its 95-year history. But there have been concerns about noise and the lead fuel used by smaller planes. The airport now has voluntary noise abatement procedures Griffith says the vast majority of pilots observe."