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.
Ukraine International Airlines Ukraine International Airlines (UIA), PJSC (Ukrainian: Приватне акціонерне товариство «Авіакомпанія Міжнародні Авіалінії України» (МАУ), "Aviakompaniya Mizhnarodni Avialiniyi Ukrayiny", ] ) is the flag carrier and the largest airline of Ukraine, with its head office in Kiev with its main hub at Boryspil International Airport outside of Kiev. It operates domestic and international passenger flights and cargo services to Europe, the Middle East, the United States and Asia.