Class C4 Maximum Take-Off Mass

Verified from official sources
Part 5Part 5Version 1Effective -Verified 22 August 2026

In plain language

The total weight of your C4 drone, including payload, must be less than 25 kg.

Requirement as structured

A class C4 UAS must have a maximum take-off mass (MTOM) of less than 25 kg, including payload.

Original regulatory text

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

Applies when

operation
UAS product requirements
class marking
C4
regulatory category
Open