aviation industry performance trends in demand and capacity system airline finances service to small airports number cc 2005 057 date issued june 30 memorandum us department of transportation office the secretary inspector general subject information from kenneth m mead reply attn ja 50 deputy federal administrator assistant for international affairs attached is seventh a series periodic updates our report metrics were developed 2002 as mechanism monitoring including domestic air communities 1 point reference or base year most 2000 when traffic delays at their peak an attachment this includes three exhibits exhibit summary which contains detailed textual graphic presentations measures b scope methodology explains sources analyses terms employed c lists oig contributors