Sound Power Level Labeling

Verified from official sources
Part 3Article 42Version 1Effective -Verified 22 August 2026

In plain language

Check that your drone (if not fixed-wing) has a visible noise level label affixed to the body or packaging.

Requirement as structured

Unless it is a fixed-wing UA, a class C2 UAS must have the indication of the guaranteed A-weighted sound power level affixed on the UA and/or its packaging.

Original regulatory text

unless it is a fixed-wing UA, have the indication of the guaranteed A-weighted sound power level affixed on the UA and/or its packaging as per Part 14;

Applies when

class marking
C2
regulatory category
Open