Ishigaki Airport (石垣空港, Ishigaki Kūkō), (IATA: ISG, ICAO: ROIG) was a third-class airport located 1 NM (1.9 km; 1.2 mi) from Ishigaki city centre in Okinawa Prefecture, Japan. The airport provided flights to major cities on the Japanese mainland as well as destinations throughout Okinawa Prefecture and the Yaeyama Islands. Commercial operations at Ishigaki Airport ceased at midnight on March 6, 2013, and New Ishigaki Airport opened on March 7, 2013. As of mid-2013, the possibility exists that the airport may be turned over fully to the Japanese Self-Defense Forces.