Country
Russia

Crash of a Kalinin K-4 in Novopavlovsk: 2 killed

Date & Time: Mar 7, 1932 at 1235 LT
Type of aircraft:
Kalinin K-4
Operator:
Registration:
CCCP-L228
Flight Phase:
Flight
Flight Type:
Ferry
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Kharkiv – Mineralnye Vody – Tbilisi
MSN:
116
YOM:
1929
Location:
Novopavlovsk
Stavropol Krai
Country:
Russia
Region:
Asia
Crew on board:
3
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
539
Circumstances:
The crew departed Kharkiv to ferry the airplane to its base in Tiflis with an intermediate stop in Mineralnye Vody. After takeoff from Mineralnye Vody Airport, the crew climbed to an altitude of 300-350 metres then continued to the southeast, following the railway track. About 20 minutes into the flight, weather conditions worsened and the visibility was poor due to fog. Rather than returning to Mineralnye Vody, the captain decided to continue and reduced his altitude. He continued vertical to the railway line, sometimes to its left sometimes to its right. Too low, the airplane struck the ground and crashed near the Apollonskaya Station in Novopavlovsk. One mechanic was seriously injured while both other occupants were killed.
Probable cause:
The accident was the consequence of the decision of the captain to continue the flight at low altitude in poor visibility due to fog rather than returning to Mineralnye Vody for a safe landing. It was determined that the information transmitted to the crew regarding the weather forecast were not relevant and were thus considered as a contributing factor.

Crash of a Kalinin K-4 in Baku: 3 killed

Date & Time: Jan 18, 1930 at 1610 LT
Type of aircraft:
Kalinin K-4
Operator:
Registration:
CCCP-225
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Tbilisi - Baku
MSN:
113
YOM:
1929
Location:
Baku
Absheron
Country:
Azerbaijan
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
3
Aircraft flight hours:
468
Circumstances:
Following an uneventful flight from Tiflis (Tbilisi), the crew initiated the descent to Baku at dusk. On final, in total obscurity, the airplane was too low when it collided with a telegraphic pole and crashed one km from the airport. The mechanic survived while three other occupants were killed.
Probable cause:
The decision of the captain to continue the approach at dusk (poor visibility) followed by a loss of orientation. The decision of the company to allow the crew to leave Tiflis while it was obviously too late.

Crash of a Kalinin K-4 off Sochi: 3 killed

Date & Time: Aug 24, 1929
Type of aircraft:
Kalinin K-4
Operator:
Registration:
CCCP-217
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Lake, Sea, Ocean, River
MSN:
108
YOM:
1929
Location:
Sochi
Krasnodar Krai
Country:
Russia
Region:
Asia
Crew on board:
1
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
3
Circumstances:
Shortly after takeoff from Sochi Airport, while climbing, the aircraft stalled and crashed in the sea about 200 metres offshore. Two passengers and the pilot were rescued while three other occupants were killed, among them Red Army Commander J. Fabritsius.
Probable cause:
It was determined that the pilot failed to position the stabilizer that was still in landing position.

Crash of a Kalinin K-4 off Sukhumi: 2 killed

Date & Time: Jun 25, 1929
Type of aircraft:
Kalinin K-4
Operator:
Registration:
CCCP-219
Flight Phase:
Takeoff (climb)
Flight Type:
Ferry
Survivors:
No
Site:
Lake, Sea, Ocean, River
Schedule:
Sukhumi – Kharkiv
MSN:
110
YOM:
1929
Location:
Sukhumi-Babushara
Abkhazia
Country:
Georgia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
Shortly after takeoff, during initial climb, one of the engine failed. The crew decided to return to Sukhumi and while completing a last turn, he lost control of the airplane that stalled and crashed in the sea. Both crew members were killed.
Probable cause:
Engine failure during initial climb.
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