In 1982 a Royal Decree was issued for the establishment of the Directorate General of Meteorology under the Ministry of Transportation at that time. Another Royal Decree was issued in 1986 amending the organizational structure of the Ministry of Transportation that resulted in integrating the Directorate General of Meteorology and the Directorate General of Civil Aviation as one Directorate General known as the Directorate General of Civil Aviation and Meteorology located at Muscat International Airport under the Ministry of Transport and Communication. hereafter the Department of Meteorology came into existence in the Directorate General of Civil Aviation and Meteorology, and gradually the Omanization level of staffing reached 100 %. With the issuance of the new structure of the Ministry of Transport and Communications in 2008 the Directorate General of Civil Aviation and Meteorology had again been renamed as the Directorate General of Meteorology and Air Navigation.