On the night of June 20, 2011, RusAir Flight 9605 was operating a domestic passenger service from Moscow’s Domodedovo Airport to Petrozavodsk in Russia’s Republic of Karelia. The aircraft involved was a Tupolev Tu-134A, a Soviet-era twin-engine airliner carrying 52 people, including passengers and crew. What should have been a routine late-night flight ended in…