Class C4 Automatic Control Modes Restriction

Verified from official sources
Part 5Part 5Version 1Effective -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

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