Part Replacement for Maintenance

Verified from official sources
AMC1 UAS.OPEN.020(5)(c)AMC1 UAS.OPEN.020(5)(c)Version 1Effective -Verified 24 August 2026

In plain language

You can replace parts on your drone for maintenance without it being considered an unauthorized modification, as long as you use original parts or parts approved in the manufacturer's instructions.

Requirement as structured

EASA accepts that replacing a part with an original or manufacturer-compliant part for maintenance is not considered a modification.

Original regulatory text

The replacement of a part by a similar one for maintenance purposes is not considered a modification, provided the operator uses an original part or a part that complies with the characteristics defined by the manufacturer in the list of replaceable parts provided in the manufacturer’s instructions.

Applies when

country
European Union / EASA
operation
EU UAS operation
class marking
C0, C1, C2, C3, C4
regulatory category
Open