Four-Engine Aircraft Crash Near Shur River

Incident Overview and Flight Details A four-engine aircraft departed Tehran-Mehrabad Airport at 1225 local time on a local test flight. Approximately 35 minutes after takeoff, the crew reported to air traffic control that they had lost control of the aircraft due to a double engine failure. The aircraft subsequently crashed in an area identified as 'Rudshur', located near the Shur River. All seven people on board were killed in the accident. The official investigation determined that the probable cause of the crash was a double engine failure for unknown reasons. No specific aircraft type, registration, operator, or date was provided in the source material.