CAA CZ exercises state administration, among others, in the following areas of civil aviation:
- aircraft register
- aircraft airworthiness
- eligibility of parts, appliances and air ground facilities
- aviation personnel
- appointing medical assessors and health care providers for the purposes of examining medical fitness of aviation personnel and issuing respective medical reports
- airports and air structures (CAA CZ is a special building office for air structures)
- designation of airports as schedules facilitated or coordinated
- authorisation of a coordinator of a coordinated airport to allocate slots to air carriers
- use of airspace of the Czech Republic and air services
- coordination of civil and military operations
- UAS
- authorisation of air services providers
- commercial air transport
- civil aviation security
- issuance and updating national programmes
- background checks of persons entering the security restricted area unescorted
- passengers complaints concerning compensation and assistance to passengers in the events of denied boarding and of cancellation or long delay of flights
- responsibilities in other areas of civil aviation pursuant to EU regulations