Washington Dulles International Airport passengers. Dulles was once assigned the airport code DIA, with each letter corresponding to the initials of Dulles International Airport. However, when handwritten, it was often misread as DCA, the code for nearby Ronald Reagan Washington National Airport. It was later revised to IAD to avoid confusion. The airport's terminal complex consists of a main terminal and two midfield terminal buildings: Concourses A/B and C/D. The entire terminal complex has 123 gates and 16 hardstand locations from which passengers can board or disembark using the airport's plane mate vehicles. Conceived in early planning sessions in 1959, Dulles is one of
Kalispell City Airport Kalispell City Airport Kalispell City Airport is a city-owned public-use airport located one nautical mile (1.85 km) south of the central business district of Kalispell, a city in Flathead County, Montana, United States. This airport is included in the FAA's National Plan of Integrated Airport Systems for 2009–2013, which categorized it as a "general aviation" facility. Kalispell City Airport covers an area of at an elevation of 2,932 feet (894 m) above mean sea level. It has one runway designated 13/31 with an asphalt surface measuring 3,600 by 60 feet (1,097 x 18 m). For the 12-month period ending August