Class C4 Automatic Control Modes Restriction

Verified from official sources
Annex Part 5 (3)Part 5Version 2Effective -Verified 22 August 2026

In plain language

Your C4 drone cannot have automatic flight modes (like autonomous waypoints), except for basic flight stabilization and a pre-set control position for lost link safety.

Requirement as structured

A class C4 UAS must not be capable of automatic control modes, except for flight stabilisation assistance with no direct effect on the trajectory and lost link assistance with a pre-determined fixed position of the flight controls.

Original regulatory text

A class C4 UAS shall comply with the following: 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;

Applies when

operation
UAS product requirements
class marking
C4
regulatory category
Open