Brief translation from MAK web site 12-Sep.
1. Yak 42 ,reg.42434, was produced in 1993, had a total of 6500 hours,which is almost twice less it's specified life of 12000 hours.
2. Take off mass was below MTOW.
3. According to FDR data there were 14t of fuel, 8 of which were fuelled in Yaroslavl.( Quality check is still under investigation)
4. Before take off crew made Flight control check, all control surfaces deflected as required.
5. Weather at the airport including crosswind wasn't a factor influencing take off.
6. Engines were operating until impact.
7. Stabilizer and flaps were in take off position before take off.
8. There were no aircraft system failures recorded on FDR.
Last edited by ron83; 13th Sep 2011 at 16:10.