Crash of an Antonov AN-30M near Olenyok

Date & Time: Jun 22, 2022
Type of aircraft:
Antonov AN-30
Operator:
NPP Mir
Registration:
RA-30001
Flight Phase:
Flight
Flight Type:
Cargo
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Yakutsk - Olenek
MSN:
14 02
YOM:
1978
Flight number:
9424
Location:
Olenyok
Republic of Yakutia (Sakha)
Country:
Russia
Region:
Asia
Crew on board:
7
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The twin engine airplane departed Yakutsk Airport on a cargo flight to Olenyok, carrying seven crew members and a load of 6,3 tons of food. En route, the airplane suffered a double engine failure. The crew reduced his altitude and attempted an emergency landing. The airplane crash landed in a wooded area located 70 km from Olenyok and came to rest. All seven crew members evacuated the cabin, among them three were slightly injured. The aircraft was damaged beyond repair.
Probable cause:
It is believed that the double engine failure is the consequence of a fuel exhaustion.

Crash of a PZL-Mielec AN-2TP near Amakinskaya

Date & Time: Oct 9, 2003
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
RA-01440
Flight Phase:
Flight
Flight Type:
Cargo
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Olenek - Amakinskaya
MSN:
1G231-20
YOM:
1988
Location:
Amakinskaya (Aykal)
Republic of Yakutia (Sakha)
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The single engine airplane departed Olenek on a cargo flight to Amakinskaya (Aykal) with two pilots on board and a load consisting of five fuel drums for a total weight of 900 kilos. While cruising at an altitude of 1,150 metres, the engine exploded and stopped. The crew elected to carry out an emergency landing in a field located 49 km north of Amakinskaya-3 Airport. On landing, the aircraft hit small trees and crashed. Both pilots escaped uninjured while the aircraft was damaged beyond repair.
Probable cause:
The engine failure was the consequence of a fatigue fracture on the n°1 cylinder.

Crash of a PZL-Mielec AN-2T near Polyarny

Date & Time: Oct 6, 2001 at 1732 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
RA-40480
Flight Phase:
Flight
Flight Type:
Cargo
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Polyarny - Olenek
MSN:
1G224-57
YOM:
1987
Location:
Polyarny
Republic of Yakutia (Sakha)
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The crew departed Polyarny Airport on a cargo flight to Olenek. En route, weather conditions worsened with mist, low clouds and icing conditions. The crew decided to return to Polyarny when the engine lost power. Unable to maintain a safe altitude, he attempted an emergency landing when the aircraft crash landed in rough terrain. All three occupants were injured and the aircraft was damaged beyond repair.
Probable cause:
The following contributing factors were identified:
- A possible unpremeditated entry into conditions with severe icing and late decision making by the captain to manoeuvre the aircraft away from the icing area,¨
- A loss of engine power and a subsequent loss of speed due to icing of the carburetor,
- The failure of the captain to remove ice from the propeller blades by changing their pitch mode.

Crash of a PZL-Mielec AN-2R in Olenek

Date & Time: Oct 13, 1979 at 1652 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-70805
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Olenek - Saskylakh
MSN:
1G133-08
YOM:
1972
Location:
Olenyok
Republic of Yakutia (Sakha)
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
3
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The aircraft took off from Olenek Airport at 1651LT. While climbing to a height of 100-120 meters, the engine lost power. The captain decided to return for an emergency landing and initiated a turn to the left when the airplane stalled and crashed, one minute after takeoff. The aircraft was destroyed and all five occupants were injured.
Probable cause:
It was determined that the loss of engine power was the consequence of the malfunction of the spark plugs due to an excessive accumulation of tetraethyl plumb.
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