Stapleton International Airport Plaza (Denver's tallest at 714′). Due to Stapleton's location east of downtown, the Federal Aviation Administration imposed a building height restriction of 700'-715' (depending on where the building was). This allowed an unimpeded glide slope for runways (8L/26R) and (8R/26L). The height restriction was lifted in 1995, well after the city's skyscrapers had been erected. By the 1980s, plans were under way to replace Stapleton with a new airport. Stapleton was plagued with a number of problems, including: The Colorado General Assembly brokered a deal in 1985 to annex a plot of land in Adams County into the city of
Coutts/Ross International Airport Coutts/Ross International Airport Coutts/Ross International Airport is located west of Coutts, Alberta, Canada and west of Sweet Grass, Montana, United States. Ross International Airport is owned by the U.S. state of Montana and is operated by the Montana Aeronautics Division. Its runway is located on the Canada–US border. The airport is classified as an airport of entry by Nav Canada and is staffed by the Canada Border Services Agency (CBSA). CBSA officers at this airport can handle general aviation aircraft only, with no more than 15 passengers. The airport covers an area of at an elevation of above mean sea