TEHRAN, Young Journalists Club (YJC) - The state's governor and three security officials were among the dead. A number of people were also injured in the incident, SUNA said. The officials had been carrying out a security tour of the province.
It was not immediately clear what caused the crash.
State TV earlier reported that a plane, not a helicopter, had crashed.
Al-Qadarif state is known for its farmland and agricultural projects.