The General Authority for Civil Aviation (GACA) signed here today an agreement with the Swiss Federal Council in the field of regular air transport services. The agreement was signed by GACA President Eng. Abdullah bin Mohammed Nuri Rahimi and Swiss Ambassador to the Kingdom of Saudi Arabia Maurice Darier. The agreement sets out the comprehensive regulatory framework for the operation of air transport services between the two countries. The new agreement aims to enhance bilateral ties between the two countries in this fields.