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Crash of a North American B-25C Mitchell in Klyazma: 5 killed

Date & Time: Sep 6, 1947 at 1521 LT
Registration:
CCCP-M345
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Moscow - Koltushi
MSN:
82-5183
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
5
Aircraft flight hours:
460
Circumstances:
The airplane was on a delivery flight from Moscow to Leningrad-Koltushi Airport and has to be transferred from the Soviet Air Force to the Russian Hydro and Meteo Services (Gidrometeosluzhba). Shortly after takeoff, while climbing, the left engine caught fire. The pilot in command elected to make an emergency landing but smoke spread in the cockpit and the crew lost control of the aircraft that crashed in Klyazma. Three crew members, one passenger and one person on the ground were killed while three others were injured (one crew, one passenger and one person on the ground). The aircraft was destroyed.
Probable cause:
Fire on the left engine caused by the failure of a connecting rod for undetermined reason. This caused the piston of the 11th cylinder to brake.

Crash of a Douglas A-20C-10-DO Havoc in Naberezhnaya: 5 killed

Date & Time: Aug 5, 1947
Registration:
CCCP-M187
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Moscow - Moscow
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
5
Aircraft flight hours:
258
Aircraft flight cycles:
338
Circumstances:
The crew was engaged in a local training flight in Moscow. While flying at an altitude of 400-450 meters, the crew initiated an engine failure when the aircraft lost speed while performing a steep turn to the left. The aircraft went upside down and crashed in Naberezhnaya, in the suburb of Moscow. All five occupants were killed. It was reported that both passengers were illegal.
Probable cause:
Inappropriate reaction of the pilot and poor techniques while performing a steep turn to the left, causing the aircraft to stall and to crash.