In order to meet the requirements for safe air transport services, a number of organisations and institutions have been set up at global, regional and local level to develop common rules, regulations, standards and procedures on safety and oversee their implementation across all aviation sectors.
The regulatory framework and safety requirements have been built up over decades and are continually being amended and enhanced to achieve an ever increasing safety performance and to meet future challenges posed by the implementation of new air navigation concepts and the need to ensure sustainable development of civil aviation.
Three basic layers of safety regulation can be distinguished, namely: