IRNA � Oman's Sultan Qaboos bin Said al Said in a message expressed condolences over the sad occasion of plane crash in central Iran.

In his message to Iranian President Hassan Rouhani, Sultan Qaboos sympathized with the bereaved families of the victims and offered condolences to the Iranian government and nation.

An Iranian passenger plane of Aseman Airlines hit Dena Mountains, 120 km from Semirom, Isfahan Province, early Sunday morning. The debris of the plane has not been found yet, but all 66 people onboard are feared dead in the tragic incident.