1. See: https://www.faa.gov/uas/programs_partnerships/data_exchange/[Access: 28.02.2020] (2020)
2. Rios L. Joseph, (…), UTM UAS Service Supplier Development (n.d.)
3. Warsaw Declaration: ‘Drones as a leverage for jobs and new business opportunities’ (https://ec.europa.eu/transport/modes/air/european-unmanned-aircraft-systems-uas/warsaw-declaration_en) [Access: 28.02.2020] (2020)
4. See: SESAR U-space Blueprint (n.d.)
5. European ATM Master Plan: Roadmap for the safe integration of drones into all classes of airspace (SESAR 2018), pp. 32 (2018)