Screech tones are produced by imperfectly expanded jets under certain
conditions. This paper provides an overview of developments in the fie
ld of supersonic jet screech. The overview includes a historical backg
round, summary of recent developments, and a critical assessment of ou
r current understanding of screech. The subject material has been cate
gorized as described in the table of contents given below. (C) 1998 El
sevier Science Ltd.