The Directorate is charged with the Certification, licensing and carrying out of Safety Oversight functions in Air Navigation Services and Aerodromes and Ground Aids (design and operations).
ASSO is also charged with establishment of a State Safety program, a program meant to ensure an acceptable level of safety in Botswana is achieved and maintained. ASSO also ensures establishment and provision of Search and Rescue services, a state mandate as signed for in the Convention on International Civil Aviation