Class C0 Safe Controllability

Verified from official sources
Annex Part 1 (4)Part 1Version 2Effective -Verified 22 August 2026

In plain language

The drone must be designed to fly safely and predictably, even if a system fails, as long as you follow the manual.

Requirement as structured

A class C0 UAS must be safely controllable by a remote pilot following the manufacturer's instructions under all anticipated operating conditions, including system failures.

Original regulatory text

A class C0 UAS bears the following class identification label on the UA: A class C0 UAS shall comply with the following: be safely controllable with regards to stability, manoeuvrability and the command and control link performance, 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;

Applies when

class marking
C0
regulatory category
Open