In March 1994, on a flight from Moscow to Hong Kong, a fully automated Airbus A310 suddenly began banking steeply before it wildly corkscrew-spun into the snowy mountains of Siberia. The cause of the spiral: a teenager was at the controls. Remarkably, however, the child was only part of the problem. Discover the inside story of the bewildering case of Russian International Airlines Flight 593 and see how a little-known feature of the A310 triggered a series of disastrous events that went from bad to worse to fatal.