"Forecasting." . . "Airport capacity." . . . . "Aviation." . . "International Workshop on Future Aviation Activities (6th : 1989 : Washington, D.C.)" . . . . . . . . . . . "The Workshop was divided into three segments: an opening plenary session with presentations by distinguished speakers on the broad outlook, eight concurrent panel workshops on various aspects of aviation development, and a concluding plenary session at which the panel moderators summarized the conclusions of their workshops. This Circular consists of an introduction, a summary of the major findings of the Workshop, the overview presentations, the workshop summaries, and a list of participants."@en . . "Future aviation activities sixth international workshop : National Academy of Sciences, September 13-15, 1989, Washington, D.C"@en . . "Future aviation activities : sixth international workshop : National Academy of Sciences, September 13-15, 1989, Washington, D.C"@en . . . . . . . . "Conference papers and proceedings"@en . .