安全管理体系(SMS)是一套系统化、程序化,具有高度自我约束、自我完善机制的科学管理体系,是世界民航业多年安全工作经验积累的成果。近年来,我国空管行业虽然在管理机制、体制、技术等方面开展了一些创新和突破,但在安全管理上仍然存在许多不足,与发达国家的管理水平差距还很 Safety Management System (SMS) is a systematic, procedural, highly self-disciplined and self-perfecting scientific management system. It is the result of many years of safety work experience accumulated in civil aviation industry in the world. In recent years, although China's ATC industry has made some innovations and breakthroughs in its management mechanism, system and technology, there are still many deficiencies in the safety management and the gap between the management level in developed countries and the developed countries