General Aviation was destroyed for many reasons, none of which were really technology or innovation problems. Commercial General Aviation was decimated by NIMB

General Aviation was destroyed for many reasons, none of which were really technology or innovation problems. Commercial General Aviation was decimated by NIMBAs, Commercial Airline pressure, massive population growths, expensive to insure/maintain/own and to be honest, a lack of care of passion from aviation for the past few generations. But.. the homebuilt and sport space has innovated quite a bit - glass cockpits, auto pilots, efficient engines, electric power plants, micro jets, composite aircraft..