Accident Details
On May 4, 2017, at approximately 1020 coordinated universal time, a Robinson R44 helicopter sustained substantial damage when it impacted mountainous terrain during a fire monitoring mission. The flight had departed from Beloretsk, Bashkortostan, Russia. The pilot and two passengers on board were fatally injured.
Aircraft Information
The helicopter, registered as RA-04156 in Russia, was a Robinson R44 model. The specific engine count or other technical details were not disclosed in the initial report.
Investigation
The Interstate Aviation Committee of Russia has jurisdiction over the investigation of this accident. Further information can be obtained from the committee at their Moscow address. The probable cause of the accident has not been stated in the released information.