The quick answer, bureaucracy. It has been several years since I have worked in the field. From what I recall, companies developing airborne software have to be

The quick answer, bureaucracy. It has been several years since I have worked in the field. From what I recall, companies developing airborne software have to be indoctrinated, trained, and certified. Then every line of airborne software whether it is for engine controls or in flight entertainment has to be certified by the FAA. These are not quick, easy, or cheap to obtain. http://www.faa.gov/aircraft/air_cert/design_approvals/air_software/ http://www.faa.gov/aircraft/air_cert/design_approvals/air_so...