Comment on Gjestland, T. A Systematic Review of the Basis for WHO's New Recommendation for Limiting Aircraft Noise Annoyance. 2018, , 2717.

In his recent discussion paper in this journal, Truls Gjestland attempts a "systematic review", as he calls it, of the evidence base for aircraft noise annoyance, consolidated in a meta-analysis by Guski et al. that informed the recommended guideline value of 45 dB in the recently published World Health Organization (WHO) Environmental Noise Guidelines. He questions the validity of the presented evidence, as "some of the referenced studies have not been conducted according to standardized methods, and the selection of respondents is not representative of the general airport population.

WHO Environmental Noise Guidelines for the European Region: A Systematic Review on Environmental Noise and Annoyance.

: This paper describes a systematic review and meta-analyses on effects of environmental noise on annoyance. The noise sources include aircraft, road, and rail transportation noise as well as wind turbines and noise source combinations. Update knowledge about effects of environmental noise on people living in the vicinity of noise sources.