The purpose of this study was to substantiate an aircraft noise index - a measure of the disturbance arising from aircraft noise - for use at major U.K. airports. Attitudinal/Behavioural Questions Length of time in and attitudes towards neighbourhood, amount of annoyance and disturbance caused by noise. Background Variables Employment, educational background, marital status, sex, age. Measurement Scales Guttman Annoyance Scale, Aircraft Noise Annoyance Scale (see: Wilson Committee on the Problem of Noise: final report. HMSO (Cmnd 2056, 1963).