PART 15 — Maximum sound power level per class of UA (including transition periods)

Annex to Delegated Regulation (EU) 2019/945 · Regulations (EU) 2019/947 and 2019/945 · EAR revision 29 Jun 2026

IRImplementing rule

PART 15 — Maximum sound power level per class of UA (including transition periods)

UA class	MTOM m in gram	Maximum sound power level LWA in dB
UA class	MTOM m in gram	as from entry into force	as from 2 years after entry into force	as from 4 years after entry into force
C1 and C2	m < 900	85	83	81
C2	900 ≤ m < 4 000	85 + 18,5 lg	83 + 18,5 lg	81 + 18,5 lg

Where ‘lg’ is the base 10 logarithm.

IR — Regulations (EU) 2019/947 and 2019/945 · Regulation (EU) 2020/1058 · UAS Easy Access Rules · EAR revision 29 Jun 2026

All rules in Powers and recitals

Consolidated from the EASA Easy Access Rules (revision 29 Jun 2026, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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