Tupolev ANT-7 (PS-7) accident at Chernokorova, Russia, 22 Oct 1941 (CCCP-L3751)
On October 22, 1941, a Tupolev ANT-7 (PS-7) (registration CCCP-L3751) operated by Aeroflot - Russian International Airlines was involved in an aviation accident near Chernokorova, Russia in flight. 10 people were killed. Investigators recorded the probable cause as: Loss of control in flight following the failure of the left engine for undetermined reasons. The following contributing factors were identified: - The pilot took the decision to continue the flight at an unsafe altitude of 100 metres above ground, - The crew… This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 1 related events involving the same aircraft type or operator are linked below.
Probable cause
Loss of control in flight following the failure of the left engine for undetermined reasons. The following contributing factors were identified: - The pilot took the decision to continue the flight at an unsafe altitude of 100 metres above ground, - The crew failed to proceed with a pre takeoff check of the airplane, - No technical check of the airplane was made since last October 4, - The total weight of the aircraft was 160 kg above MTOW.
— NTSB Determination
Accident narrative
The airplane departed Tyumen Airport at 0805LT on a special flight to Sverdlovsk, carrying three crew members and seven passengers on their way to a political party committee meeting. A little more than an hour into the flight, while cruising at an altitude of 100 metres in good weather conditions, the left engine failed. The pilot lost control of the airplane that rolled to the left then entered a dive and crashed 1,5 km from the village of Chernokorova, bursting into flames. The airplane was totally destroyed and all 10 occupants were killed.
Probable cause (official findings): Loss of control in flight following the failure of the left engine for undetermined reasons. The following contributing factors were identified: - The pilot took the decision to continue the flight at an unsafe altitude of 100 metres above ground, - The crew failed to proceed with a pre takeoff check of the airplane, - No technical check of the airplane was made since last October 4, - The total weight of the aircraft was 160 kg above MTOW.