2003 Polish Air Force Mil Mi-8 crash
On 4 December 2003, a Polish Air Force Mil Mi-8 helicopter operated by the 36th Special Aviation Regiment carrying Poland's Prime Minister Leszek Miller crashed near Piaseczno, just outside Warsaw. Following the failure of both engines, the pilot performed an autorotation landing in a forest.
Source: Wikipedia — 2003 Polish Air Force Mil Mi-8 crash (CC BY-SA 4.0)