Polikarpov P-5 accident at Rostov-on-Don-Olginskaya, Russia, 9 Jul 1937 (CCCP-Sh630)
On July 9, 1937, a Polikarpov P-5 (registration CCCP-Sh630) operated by Aeroflot - Russian International Airlines was involved in an aviation accident near Rostov-on-Don-Olginskaya, Russia in flight. 2 people were killed. Investigators recorded the probable cause as: It was determined that the accident was the consequence of the following factors: - The pilot was completing aerobatics manoeuvres at an unsafe altitude, - The airplane entered a dive at an excessive speed, - The pilot was not sufficiently trained to… This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 2 related events involving the same aircraft type or operator are linked below.
Probable cause
It was determined that the accident was the consequence of the following factors: - The pilot was completing aerobatics manoeuvres at an unsafe altitude, - The airplane entered a dive at an excessive speed, - The pilot was not sufficiently trained to initiated such manoeuvres, - Poor piloting techniques, - Lack of discipline.
— NTSB Determination
Accident narrative
The crew departed Rostov-on-Don-Olginskaya Aerodrome on a local training flight. While cruising at an altitude of 800 metres, the pilot initiated aerobatics when he lost control of the airplane that entered a dive and crashed in a field. Both pilots were killed.
Probable cause (official findings): It was determined that the accident was the consequence of the following factors: - The pilot was completing aerobatics manoeuvres at an unsafe altitude, - The airplane entered a dive at an excessive speed, - The pilot was not sufficiently trained to initiated such manoeuvres, - Poor piloting techniques, - Lack of discipline.