Required permits for UAS transponder usage
Verified from official sources6.1Version 1Effective -Verified 25 August 2026
In plain language
If your drone has a transponder, you must get a radio frequency permit from HAKOM and an ICAO Mode S code from the Croatian Civil Aviation Agency (HACZ) before flying.
Requirement as structured
To use a drone equipped with a transponder, the operator must obtain a radio frequency spectrum permit from HAKOM and an ICAO Mode S code from the Croatian Civil Aviation Agency (HACZ).
Original regulatory text
6.1 Za korištenje bespilotnog zrakoplova opremljenog transponderom potrebno je ishoditi sljedeće dozvole/odobrenja: a) Hrvatska regulatorna agencija za mrežne djelatnosti (HAKOM) - Dozvola za uporabu radiofrekvencijskog spektra na zrakoplovu. b) Hrvatska agencija za civilno zrakoplovstvo (HACZ) - Zahtjev za izdavanje ICAO Mode S koda zrakoplova na obrascu AIRW-FRM-014.