Delegated Act

Class  Nickname MTOM/J

Remote ID/

Geo-awareness

Operator 

Registration

C0 Toy drone  < 250 g No   No, if no camera  
C1 Hobby drone    < 80 J at Vterm or < 900 g   Yes Yes
C2    Prosumer drone   < 4 kg Yes Yes
C3 Professional  < 25 kg Yes Yes
C4 Aero-model < 25 kg Yes Yes

If a drone is not marked as Cx by the manufacturer, then it is not a Cx compliant drone.