What country does Chelyabinsk Airport and S7 Airlines have in common?
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.
Yak-Service Yak-Service (Russian: ЗАО «Авиационная компания «Як-Сервис» ) was an airline based in Moscow, Russia. It operated executive passenger charters. It was established on 12 February 1993 and started operations on 25 November 1993. The airline was banned from operating within the EU from 24 July 2009 to November 2009.