What happened
On July 9, 2011, at 1900 UTC, a Robinson R-44 with registration RA-04304 collided with the Yenisei River near Istok, Krasnoyarsk Region, Russia. The helicopter was performing a repositioning flight at night when the accident occurred.
The flight had originated from a landing strip located near Severnaya, Krasnoyarsk Region, at an undetermined time. At the time of the accident, the aircraft was operating under instrument meteorological conditions (IMC). No flight plan had been filed for the flight.
The crash resulted in 1 fatality, with the pilot reported missing and presumed fatally injured. The helicopter sustained substantial damage.