RIYADH: The Saudi General Authority of Civil Aviation (GACA) updated the national civil aviation security program to protect aviation operations in the Kingdom. The fourth update is a reference guide for all sectors implementing aviation security measures in the Kingdom with the aim of achieving protection of civil aviation operations, travelers and workers from acts of unlawful interference. The program aims to provide protection for commercial airlines and airport operations against acts of unlawful interference directed against the Kingdom’s interests related to civil aviation.