In Deeenber 1987 Winpey laboratories Limited has appointed by the Ministry of Defence (run) to carry out noise surveys over a period of four years at 23 Airfields in England, Wale, and Non-Jun Ireland.The results of the mlsesurveysweretobeusedbythemotovaljdateoontoursproduceiby Wter predictim.The validated contours were then used to form the basis for rm in) noise insulatim grant schene.his paper describes our experience to date, with surveys at the first nine airfields canpleted in 1988.
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