Modification Exception for Class C4 UAS

In plain language

Unlike other classes, you are allowed to modify a Class C4 drone. If you do, it is treated as a 'privately built' drone and you can still fly it in subcategory A3.

Requirement as structured

EASA accepts that changes to class C4 UAS are allowed, and such modified UAS may continue to be operated in subcategory A3 as privately built UAS.

Original regulatory text

Changes to UASs with a class identification label C4 are allowed, and such UASs can be considered ‘privately built’ UASs and continue to be operated in subcategory A3 of the ‘open’ category.

Applies when

country

European Union / EASA

operation

EU UAS operation

subcategory

A3

class marking

C4

regulatory category

Open