Gimpo International Airport Other UN units based at Gimpo (Kimpo) included: On 21 September 1953 North Korean pilot No Kum-Sok defected in his MiG-15 landing at Gimpo. In 1958, the airport was redesignated as the Gimpo international airport of Seoul by a presidential decree, completely replacing the existing Yeouido Airport. Following the construction of Gimpo, Yeouido Airport was totally demolished. It soon became the main airport of Seoul and South Korea in general. In 1971, a new combined domestic and international terminal was opened. However, following the opening of Terminal 1 in 1977, the original terminal was converted to domestic flights only. Later,
Gimpo International Airport two passenger terminals, and one cargo terminal. In 2016, the ten carriers with the largest percentage of passengers flying into, out of, or through Gimpo International Airport are as follows: Korea Airports Corporation (KAC) has its headquarters on the airport property. The Aviation and Railway Accident Investigation Board (ARAIB) has its FDR/CVR Analysis and Wreckage Laboratory on the property of the airport. When the predecessor agency Korea Aviation Accident Investigation Board (KAIB) existed, its CVR/FDR and wreckage laboratory was located on the airport property. On 23 March 2007 the AREX airport express line started operations to Incheon International Airport, with