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
Havre City–County Airport Havre City–County Airport Havre City–County Airport is a public use airport located three nautical miles (6 km) west of the central business district of Havre, a city in Hill County, Montana, United States. It is owned by the City of Havre and Hill County. The airport is served by one commercial airline, subsidized by the Essential Air Service program. As per the Federal Aviation Administration, this airport had 180 passenger boardings (enplanements) in calendar year 2008, 744 in 2009, and 961 in 2010. The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a "general aviation" airport (the