Accident
Last updated: 22 November 2014
Statuts:Enquête Officielle
Date:mardi 3 août 2010
Heure:01:19 LT
Type/Sous-type:Silhouette image of generic AN24 model; specific model in this crash may look slightly different
Antonov 24RV
Compagnie:Katekavia
Immatriculation: RA-46524
Numéro de série: 47310003
Année de Fabrication: 1974
Heures de vol:53760
Cycles:38383
Moteurs: 2 Ivchenko AI-24VT
Equipage:victimes: 1 / à bord: 4
Passagers:victimes: 11 / à bord: 11
Total:victimes: 12 / à bord: 15
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:0,4 km (0.3 milles) W of Igarka Airport (IAA) (   Fédération de Russie) show on map
Phase de vol: En approche (APR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Krasnoyarsk-Cheremshanka Airport (UNKM), Fédération de Russie
Aéroport de destination:Igarka Airport (IAA/UOII), Fédération de Russie
Numéro de vol: 57
Détails:
An Antonov 24 passenger plane crashed while on final approach to Igarka Airport (IAA). Flight KTK-57 had originated at Krasnoyarsk-Cheremshanka Airport (UNKM) for the three hour and ten minutes flight to Igarka. There were four crew members and eleven passengers on board. The actual load was 3,412 kg, including 10 adult passengers, 1 child, 206 kg of baggage and 2426 kg of cargo (among which 900 kg of food and 1,366 kg of building materials). The cargo was located on the first 4 rows of passenger seats.
Flight 57 departed at 21:41 local time, August 2. The flight towards Igarka was uneventful. Visibility at Igarka was limited due to fog. The flight was cleared for an approach to runway 12. The crew continued the approach below 100 m even though they had not established positive visual contact with the runway.
The airplane drifted to the right until it struck trees at a distance of 477m short of the runway and 234 meters to the right of extended centreline. It came to rest after sliding 140 m through trees. A fire broke out, destroying the aircraft. All eleven passengers and one crew member were killed in the accident.

Rosaviatsia reported the weather at the time of the approach to be: clouds at 220 meters, visibility 3.5 km02:00, rain, wind 150 ° 3 m / sec.


CONCLUSION: (translation from Russian original)
The cause of the crash of AN-24RV RA-46524 was the execution of an approach in conditions worse than the weather minima of the airfield, aircraft, and pilot. The failure of the crew to take a timely decision for a missed approach when the plane descended below the minimum safe height (100m) in the absence of reliable visual contact with approach lights and runway lights. This caused the aircraft to strike trees and the ground in controlled flight.

Factors contributing to shortcomings in the meteorological services of this flight were:
- Incorrect weather forecast with regards to cloud ceiling, visibility and severe weather - fog.
- Inaccurate information about the actual weather on the glide path at the Middle Marker with course 117°, radioed to the crew 40 minutes before the accident.
The timely implementation of recommendations to improve meteorological support operations developed by the Commission to investigate the crash of Tu-134A RA-65021, which occurred at the airport Kurumoch, Samara March 17, 2007, could have prevented the crash of AN-24RV RA-46524.

Sources:
» RIA Novosti, 2-8-2010
» Utro.ru, 2-8-2010
» Rosaviatsia press release
» Interstate Aviation Committee (IAC)

METAR Weather report:
18:00 UTC / 02:00 local time:
UOII 021800Z 17002MPS 1500 BR OVC006 15/13 Q0998 NOSIG RMK QFE746 12////55
wind 170 degrees at 2 m/s; Visibility 1500 m; Ceiling 600 ft.overcast; Temperature 15°C, Dew point 13°C; 998 hPa

Official accident investigation report
investigating agency: Interstate Aviation Committee (IAC / MAK) - Russia
report status: Final
report number: -
report released:07-OCT-2010
duration of investigation:65 days (2.2 months)
download report: Final report (MAK -)
cover

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Plan
Ce plan montre l'aéroport de départ ainsi que la supposé destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Krasnoyarsk-Cheremshanka Airport et Igarka Airport est de 1279 km (800 miles).

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