The General Staff of Iran’s Armed Forces has released the first report on the causes of a recent helicopter crash that resulted in the deaths of Iranian President Ebrahim Raisi and his entourage.

Following the crash, a senior investigation committee composed of experts, specialists, and technicians arrived at the scene on Monday morning, the semi-official Tasnim news agency quoted the report by the General Staff of Iran’s Armed Forces as saying on Friday.

According to the report, the helicopter had remained on its predetermined course all along the way and had not deviated from the flight route.