Šoštanj Airport is a small airport located in the settlement of Topolšica, Slovenia. It lies 2.2 kilometers (1.4 mi) north of Šoštanj and 6.2 kilometers (3.9 mi) northwest of Velenje. Given its short asphalt runway, the airport serves only small general aviation aircraft, up to 5,670 kilograms (12,500 lb) MTOM. Heavier aircraft can land at the discretion of the PIC if the performance is adequate. Examples of the heaviest aircraft operated at LJSO are Slovenian Air Force Cougar at 9000 kg MTOM, Solinair Turbolet 410 at 6600 kg MTOM, and Gorenje Cessna Citation I 5375 kg MTOM. The airport is maintained by Šaleški Aeroklub.