Crash of a PZL-Mielec AN-2TP on Mt Konstantinov Kamen: 2 killed

Date & Time: Oct 15, 1995
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
RA-01495
Flight Phase:
Flight
Flight Type:
Charter/Taxi (Non Scheduled Revenue Flight)
Survivors:
Yes
Site:
Mountains
Schedule:
Mys-Kamennyy - Vorkuta
MSN:
1G232-29
YOM:
1989
Location:
Mt Konstantinov Kamen
Republic of Yamalia
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
8
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
En route from Mys-Kamennyy to Vorkuta, weather conditions deteriorated with limited visibility due to low clouds. The crew decided to return to Mys-Kamennyy but this decision was taken too late. At an altitude of 452 metres, while cruising in clouds, the aircraft struck the slope of Mt Konstantinov Kamen (492 metres high). The wreckage was found few hours later. All eight passengers suffered light to moderate injuries while both pilots were killed.
Probable cause:
It was determined that the crew was flying under VFR mode in IMC conditions. At the time of the accident, the cloud base was about 200 metres and the crew lost his orientation and was unable to know his exact position. The wreckage was found about 40 km off the planned route. The accident is the consequence of a controlled flight into terrain.

Crash of a PZL-Mielec AN-2R in Salekhard: 2 killed

Date & Time: Feb 8, 1975 at 1913 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-01529
Flight Phase:
Takeoff (climb)
Flight Type:
Cargo
Survivors:
No
Site:
Airport (less than 10 km from airport)
Schedule:
Salekhard - Mys-Kamennyy
MSN:
1G80-23
YOM:
1967
Location:
Salekhard
Tyumen oblast
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
6388
Aircraft flight cycles:
18322
Circumstances:
The single engine airplane departed Salekhard Airport at 1903LT on a cargo flight to Mys Kamennyy, carrying a load of 41 alcohol bottles for a total weight of 800 kilos. During initial climb, while flying by a polar night at a speed of 230 km/h, the airplane went out of control and crashed in a snow covered tundra located about 8 km north of Salekhard Airport. The airplane was destroyed and both occupants were killed.
Probable cause:
The crew lost control of the airplane during a night flight after suffering a spatial disorientation caused by the failure of both AGK-47B artificial horizon and GPK-48 gyro compass. It was reported these instruments already failed before the accident without the cause having been established.

Crash of an Antonov AN-12B in Mys-Kamennyy: 8 killed

Date & Time: Oct 1, 1970 at 1927 LT
Type of aircraft:
Antonov AN-12
Operator:
Registration:
CCCP-11031
Flight Phase:
Landing (descent or approach)
Flight Type:
Cargo
Survivors:
No
Site:
Airport (less than 10 km from airport)
Schedule:
Mys-Kamennyy - Tyumen
MSN:
7 3 450 03
YOM:
1967
Location:
Mys-Kamennyy
Republic of Yamalia
Country:
Russia
Region:
Asia
Crew on board:
7
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
8
Aircraft flight hours:
3637
Aircraft flight cycles:
1768
Circumstances:
After delivering various equipment for a local oil exploitation company, the crew was returning to Tyumen and departed Mys-Kamennyy Airport at 1911LT in snow showers reducing the visibility to 1,8 km. During initial climb, the crew was cleared to climb to 6,600 meters when four minutes later, the captain declared an emergency and stated that both left engines failed. He was cleared to fly back to Mys-Kamennyy Airport and started a return circuit. At a distance of 18 km from the airfield, he reported runway in sight and lowered the gear shortly later then reduced his altitude to 250 meters at a distance of eight km. At five km, he reported that the aircraft was losing altitude when he was instructed to turn right. Shortly later, at a speed of 220 km/h, the airplane crashed in an icy swamp located 2,2 km short of runway and 450 meters to the left of its extended centerline. The aircraft was destroyed and all eight occupants were killed.
Probable cause:
Investigations were unable to determine the exact cause of the failure of both left engines. Nevertheless, the assumption that this was caused by the presence of ice crystals or pellets clogging a fuel line or a fuel filter was not ruled out as well as a valve failure. Poor weather conditions were considered as a contributing factor.

Crash of a Beriev Be-6K near Mys-Kamennyy: 6 killed

Date & Time: Aug 7, 1957 at 0915 LT
Type of aircraft:
Beriev Be-6
Operator:
Registration:
CCCP-N662
Flight Phase:
Flight
Flight Type:
Positioning
Survivors:
No
Site:
Plain, Valley
Schedule:
Khatanga – Ust-Kara – Moscow
MSN:
6 60 23 05
YOM:
1957
Location:
Mys-Kamennyy
Republic of Yamalia
Country:
Russia
Region:
Asia
Crew on board:
6
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
6
Circumstances:
While cruising under VFR at an altitude of 2,100 meters, the right engine failed and caught fire. The crew elected to extinguish the fire but without success. Shortly later, the engine detached and struck the right tail, causing the aircraft to enter a spin and to crash in a steppe located about 55 km west of Mys Kamenny. The aircraft was destroyed upon impact and all 6 crew members were killed.
Probable cause:
Right engine fire in flight due to the failure of the gearwheel.
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