Studies on annoyance caused by aircraft noise exposure were undertaken
in eight areas near three small and medium sized airports to assess t
he validity of a previously developed principle to express the relevan
t noise exposure. The results showed a dose-response relationship for
the extent of annoyance when the noise exposure was expressed as the n
umber of noise events greater than or equal to 70 dB(A). The maximum n
oise levels did not influence the extent of annoyance. The practical a
pplication of this principle for control of aircraft noise is illustra
ted. (C) 1997 Academic Press Limited.