Russia's biggest domestic airline is located how many km north of Chelyabinsk?
S7 Airlines S7 Airlines, legally PJSC Siberia Airlines (Russian: ПАО «Авиакомпания "Сибирь"» "PАО Aviakompania Sibir"), is an airline headquartered in Ob, Novosibirsk Oblast, Russia, with offices in Moscow. As of 2008, it was Russia's biggest domestic airline. Its main bases are Domodedovo International Airport and Tolmachevo Airport.
Arkalyk Airport Arkalyk Airport (also given as Arkalyk North) (IATA: AYK, ICAO: UAUR) is an airport in Kazakhstan located 9 km north of Arkalyk. It is a small civilian airport built during the Soviet era, and has a sizeable asphalt apron and passenger terminal. The terminal building is in a state of disrepair, and may be completely disused, and the apron and runway are both poorly maintained. The facility is used by the Russian space agency to base and refuel helicopters used in the recovery of returning Soyuz missions. It may also see private use. At present there are no scheduled airlines serving the airport.