In comparison of the annoyance response induced by commercial and military air- craft noise, it is found that the trend of curves of commercial and military aircraft noise turned to be reversed at 58 dBA.
Over 58 dBA, military aircraft noise causes more annoyance than commercial aircraft noise at the same exposure level and vice versa below 58 dBA. Such a result as the comparison of community response be- tween military and commercial aircraft noise has hardly been reported before the au- thors‘ recently conducted study (Kim et al. 2007).