Yak-40 RA-87447 09.09.2009

     Investigation team of the Interstate Aviation Committee which includes representatives of Civil Aviation Committee of the Ministry of Transport and Communications of the Republic of Kazakhstan has completed the investigation of the crash with Yak-40 RA-87447 aircraft owned by Bugulminsk Air Enterprise JSC occurred at Aktobe Airport of the Republic of Kazakhstan on 09.09.2009
     According to the Investigation team's conclusion:
     "The accident with Yak-40 RA–87447 aircraft was caused by the crew erroneous actions attempting to perform go-around flight maneuver after landing which resulted in aircraft structure destruction and was due to a combination of the following factors: 
      - accidental flaps retraction by the crew from landing flap to full-up position during aircraft liftup resulted in wing lift decrease and aircraft mush;
      - retraction of landing gear at the low flight altitude at aircraft mush resulted in aircraft fuselage bottom collision with RWY surface followed by further RWY run with nose landing gear load and wheel rims of main landing gears beyond fuselage contours;
      - attempt to perform go-around maneuver by the crew with engaged reverse breaking gear of takeoff rating center engine which determined insufficient speed increase during aircraft takeoff roll.
      Decision to perform go-around maneuver was made by PIC, most probably, due to aircraft pitch imbalance occurred at first seconds of aircraft landing roll and caused by PIC erroneous actions during landing".