The Civil Aviation (Environmental Protection Aircraft Noise) Regulations, 2025

49. Trade-offs

Edition: 2026-03-03 · In force

If the noise level limits are exceeded at one or two measurement points—

(a)the sum of excesses shall not be greater than 4 EPNdB;

(b)any excess at any single point shall not be greater than 3 EPNdB; and

(c)any excess shall be offset by corresponding reductions at the other point or points.