Sacheon Airport / Sacheon Air Base — Sacheon, South Korea

HIN identifies Sacheon Airport, a dual-use facility in Sacheon, South Korea, that shares runways with the Republic of Korea Air Force's Sacheon Air Base. The airport supports limited domestic civilian flights alongside significant military activity, as the surrounding area is home to Korea Aerospace Industries, a major aircraft manufacturer. This gives HIN an outsized role in Korea's aviation and defense industry despite its modest passenger numbers. The airport connects Sacheon to larger hubs like Seoul, serving business travelers tied to the aerospace sector as well as residents of the South Gyeongsang province region.