This is the trivia for the episode "The Airplane Show" from November 1980.
Les owns and rides a blue Vespa.
The radio stations doing their promos were all actual Cincinnati stations in 1980. Only of a few of them still exist: WAIF, WEBN, WGUC, WKRC, WKRQ, WLW and WUBE (but it's FM now). Although all of the dial positions still exist, the stations located on them have gone through many call letter and format changes since then.