Zonalnoye Airport (also known as Kirovskoye South) (IATA: ZZO, ICAO: UHSO) is an airport in Sakhalin Oblast, Russia, 21 km (13 mi) southeast of Tymovskoye. It accommodates small airliners. A 1,700 m (5,600 ft) overrun off the southern edge may have been a former airfield.