Jin Air Co. Ltd, formerly Air Korea is a low cost airline originating from South Korea. It is a full subsidiary of Korean Air. Jin Air began operations in July 2008 with routes to regional destinations in Korea. In October 2009, Jin Air began flights to Macau, Guam and Bangkok. The name "Jin Air" was officially announced on June 15, 2008 at an opening ceremony in Seoul. It has its headquarters in Deungchon-dong, Gangseo-gu, Seoul. Kim Jae-Kun, CEO of Air Korea has advised the inaugural flight would be between Seoul's Gimpo International Airport and Jeju International Airport on July 17, 2008 using a Boeing 737-800.