The helicopter crashed in a residential area in Istanbul’s Sancaktepe district, hitting the roof of a 4-storey building, Anadolu reported.
The cause of the crash remains unknown, Istanbul Governor Ali Yerlikaya told the news agency.
The wounded soldier was taken to the hospital.
Security and health teams were dispatched to the crash site.
National Defense Minister Hulusi Akar will also visit the scene for inspections.