Art. 38 – Method of determination

Art. 38

Method of determination

Noise exposure levels are determined in the form of a rating sound level, Lr, or a maximum sound level, Lmax, on the basis of calculations or measurements.⁴⁸

Noise exposure levels due to aircraft shall principally be determined by calculation. The calculations are carried out using recognised state-of-the-art methods. The FOEN shall recommend suitable calculation procedures.⁴⁹

The requirements for calculation procedures and measuring instruments are given in Annex 2.⁵⁰

48 Amended by No I of the O of 1 Sept. 2004, in force since 1 Oct. 2004 (AS 2004 4167 4313).
49 Inserted by No I of the O of 12 April 2000, in force since 1 May 2000 (AS 20001388).
50 Originally para. 2.

Legal act context: SR 814.41 · NAO · Ordinance · Noise Abatement Ordinance of 15 December 1986 (NAO)

Structure path: Chapter 7 Investigation, Assessment and Control of Exposure to Exterior Noise due to Stationary Installations Section 1 Investigation

Language: English (en)
Data status: 2026-04-01

Available language versions

Deutschde Françaisfr Italianoit Englishen

Select article version

Current and historical versions remain separate and permanently accessible. The selected version opens automatically.

Current version · 2026-04-01 Version dated 2025-01-01

The official sources and versions published by the competent authorities remain authoritative.

Enactment navigation

Loading the complete structure

The requested content is already available. Articles, annexes and all other structure nodes are now being added.

The official sources and versions published by the competent authorities remain authoritative.

rechtundgesetz.ch provides orientation and search in publicly accessible legal information, but no legal advice.

Art. 38

Method of determination

Available language versions

Select article version

Rating categories

Loading the complete structure