Aspen-Pitkin County Airport, officially known as Sardy Field (IATA: ASE), serves the resort community of Aspen, Colorado. Situated at an elevation of approximately 7,820 feet above sea level, it is one of the highest-altitude commercial airports in the United States, presenting significant operational challenges for aircraft performance and pilot certification. The airport operates under strict noise abatement procedures due to its location near residential neighborhoods and the surrounding mountainous terrain. These restrictions limit the types of aircraft that can serve the airport and the hours during which certain operations are permitted. Despite its small size, ASE handles substantial passenger traffic during peak ski season (winter) and summer tourism periods, with airlines operating regional jets specifically certified for the demanding high-altitude environment.