Date & Time: Nov 21, 2012 at 1331 LT
Type of aircraft:
Antonov AN-26
Operator:
Registration:
RA-26061
Survivors:
Yes
Schedule:
Yakutsk - Deputatsky
MSN:
11108
YOM:
1981
Flight number:
RKA227
Country:
Russia
Region:
Asia
Crew on board:
6
Crew fatalities:
0
Pax on board:
23
Pax fatalities:
0
Other fatalities:
0
Total fatalities:
0
Captain / Total flying hours:
8845
Captain / Total hours on type:
1150
Copilot / Total flying hours:
2566
Copilot / Total hours on type:
245
Aircraft flight hours:
22698
Aircraft flight cycles:
11257
Circumstances:
Following an uneventful flight from Yakutsk-Magan Airport, crew started the descent to runway 10. On touch down on a snow covered runway, aircraft landed slightly to the left of the centerline. After a course of 350 meters, left main gear hit a snow berm of 20-50 cm high. Aircraft continued to the left, veered off runway and came to rest in snow covered field with its right main gear and right wing severely damaged. All 29 occupants were evacuated safely while the aircraft was damaged beyond repair.
Causes:
The cause of the accident was a runway excursion resulting in injuries and damage to the aircraft. The runway excursion occurred because of a combination of following factors:
- an error in piloting technique by the captain continually correcting along the extended runway centerline resulting in touch down at a considerable angle to the runway center line and to the left of the runway center line.
- lack of runway safety areas with slopes of less than 1:10, although demanded by regulations
- due to the landing left of the runway center line the left main gear entered freshly fallen snow of heights between 30 and 50 cm burying both wheels in the snow
Deficiencies identified during the investigation:
- the crew roster was in violation of established procedures
- the actual flight conditions did not meet the requirements of the aerodrome, with the weight of 24,685 kg the aircraft required a landing distance of 2400 meters, which exceeded the available landing distance by 300 meters
- the preparation of the aerodrome did not comply with requirements, the runway had not been cleared along the full length and a minimum width of 75 meters although required by regulations
- the cargo aircraft operating procedures used by the operator for the aircraft which was converted from passenger to cargo aircraft, did not match the requirements by the aircraft manufacturer
- the loading of the aircraft did not match recommendations
- after weighing all of the aircraft loading it was established the aircraft took off 2,548 kg above maximum takeoff weight, the landing occurred at 658 kg above maximum landing weight, the center of gravity was out of bounds both on takeoff and landing
- the flight data recorder did not record consistent information due to the failure of electromagnetic coupling
- the cockpit voice recorder failed during the flight
- the width of the runway available was not consistent with the requirements of Class "D" aerodromes

Source: AvHerald
Final Report: