Russia Blames Crew for Polish President Plane Crash

Pilot Error: The Anatomy of a Plane Crash
Jan 12, 2011 — The Russian investigation into last April's plane crash that killed Polish President Lech Kaczynski and dozens of other prominent Poles has found pilot error to be the primary cause of the disaster. The flight was headed to Smolensk, Russia to commemorate the victims of the 1940 Katyn massacre.

Source: Planet Data