NTSB preliminary statistics for last year show an increase in aviation accidents for airline and general aviation operations and a decline for on-demand air taxis. The NTSB said there were 1,669 accidents last year involving GA aircraft compared with 1,617 in 2004. The 562 fatalities involved in GA accidents were four more than during the previous year. The NTSB also reported higher GA rates (accidents per 100,000 flight hours). The number of fatal accidents involving air-taxi operations dropped from 23 in 2004 to 11 last year. Air-taxi accident rates also decreased.