PART 5 - Requirements for a class C4 Unmanned aircraft system

A class C4 UAS bears the following label on the UA in a visible manner

A class C4 UAS shall comply with the following:

(1) have an MTOM of less than 25 kg, including payload;

(2) be safely controllable and manoeuvrable by a remote pilot following the manufacturer’s instructions, as necessary under all anticipated operating conditions including following the failure of one or, if appropriate, more systems;

(3) not be capable of automatic control modes except for flight stabilisation assistance with no direct effect on the trajectory and lost link assistance provided that a pre-determined fixed position of the flight controls in case of lost link is available;

(4) be placed on the market with manufacturer’s instructions providing:

(a) the characteristics of the UA including but not limited to the:

— class of the UA

— UA mass (with a description of the reference configuration) and the maximum take-off mass (MTOM);

— general characteristics of allowed payloads in terms of mass, dimensions, interfaces with the UA and other possible restrictions;

— equipment and software to control the UA remotely; and

— and a description of the behaviour of the UA in case of a loss of the command and control link;

(b) clear operational instructions;

(d) troubleshooting procedures;

(e) operational limitations (including but not limited to meteorological conditions and day/night operations); and

(f) appropriate description of all the risks related to UAS operations;

(5) include an information notice published by the CAA providing the applicable limitations and obligations, in accordance with Implementing Regulation (EU) 2019/947.