A C - 130 Hercules of Islamic Rep. of Iran Air Force ( IRIAF ) crashed near Kahrizak , Iran , killing all 80 on board .
A C - 130 Hercules of IIAF crashed due to a lightning strike , near Zarandieh , Iran . 
 A Fokker F - 27 Friendship of IIAF crashed near Chalus , Iran , killing all 5 on board .