Airport terminal the aircraft. Airports designed around this model include Charles de Gaulle Airport (terminal 2), Chhatrapati Shivaji International Airport, Mumbai ( old terminal 2), Dallas/Fort Worth International Airport, Seoul's Incheon International Airport, Jakarta's Soekarno-Hatta International Airport (terminal 1 & 2), Toronto Pearson Airport, Kansas City Airport, Nairobi's Jomo Kenyatta International Airport, Rio de Janeiro–Galeão International Airport and Sapporo's New Chitose Airport. One rarer terminal design is the mobile lounge, where passengers are transported from the gate to their aircraft in a large vehicle which docks directly to the terminal and the aircraft. Washington Dulles International Airport, Mexico City International Airport, and
Norfolk International Airport which it is categorized as a small-hub primary commercial service facility. As per Federal Aviation Administration records, the airport had 1,606,695 enplanements in calendar year 2011, a decrease of 3.4 percent from 1,663,294 in 2010. , Norfolk International was ranked as the 70th-busiest airport in the United States and the fourth-busiest in Virginia in terms of passengers served annually following Richmond International, Dulles International Airport and Reagan National Airport. Southwest Airlines, Delta Air Lines, and American Airlines are the predominant users of the airport. Norfolk International Airport covers an area of 1,300 acres (526 ha) at an elevation of 27