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.
Novosibirsk Air Enterprise Novosibirsk Air Enterprise was an airline based in Novosibirsk, Russia. It operated passenger and cargo services and aerial surveying work. It was established and started operations in 1929 as Novosibirsk Air Squad. Its main base was Severny Airport.