english: The Jetstream 31, first flew on 28 March 1980,being certificated in the UK on 29 June 1982 several hundred 31s were built during the 1980s.
non_english: The Jetstream 31, pertama kali terbang ing 28 Maret 1980, kang certificated ing UK ing 29 Juni 1982 sawetara atus 31s padha dibangun sak 1980s.