Samenvatting
The papers in this Record are reports on research topics chosen by graduate students selected for awards from a nationwide competition under the Sicth Graduate Research Award Program on Public-sector aviation issues (1991-1992). The program is sponsored by the FAA and administered by TRB; its purpose is to stimulate thought, discussion, and research by those who may become managers and policy makers in aviation. The papers were presented at the 72nd Annual Meeting of TRB in January 1993.