Accident Details
On August 15, 2015, a Mil Mi-8T helicopter with registration RA-22559, operated by JSC Vostok Airlines, experienced an accident in the Tuguro-Chumikansky District of Khabarovsk Krai. The helicopter was crewed by a commander, a co-pilot, and a flight engineer. The flight was a commercial charter carrying 13 passengers.
Flight Information
The flight was conducted under a charter contract (No. 4-307-15 dated August 8, 2015) between a private individual and Vostok Airlines. The planned route was Khabarovsk – imeni Poliny Osipenko – Ongachan Bay – imeni Poliny Osipenko – Khabarovsk. The flight request was submitted on August 14, 2015, by the airline's management to the Khabarovsk Regional Air Traffic Management Center.
Pre-Flight Preparations
Initial seasonal training for the crew was conducted on March 23, 2015, by the airline's management. The final pre-flight preparation began at 07:15 local time on August 15, 2015 (21:00 UTC on August 14, 2015) at Khabarovsk (MVL) aerodrome with a weather briefing. The crew received weather information for the departure airport (Khabarovsk MVL), the intermediate landing site imeni Poliny Osipenko, the alternate airport Khabarovsk (Novy), and en-route forecasts in GAMET format. The crew's medical check was performed on August 14, 2015, at Khabarovsk MVL airport between 21:00 and 21:30 local time. The departure was initially scheduled for 22:30 on August 14, 2015, but the actual departure time is not specified in the source.