office of aviation policy and plans a v i t o n d u s r y e w fiscal year 1998 february 1999 1 table contents industry overview 2 us economic outlook 4 passenger enplanements aircraft departures 5 traffic seat capacity 54 carriers 6 financial results 72 7 air carrier orders deliveries 8 general shipments 9 fy 80 to present graphs 10 faa workload measures 11 operations at selected hubs 12 growth in 14 demand load factors majors 15 nationals 16 large medium regionals 17 commuters 18 19 20 21 22 system yields 23 jet fuel prices 25 gross domestic product latest actual data