 <unk> in the United Kingdom ( UK ) describe GA in less restrictive terms that include elements of commercial aviation . The British Business and General Aviation Association interprets it to be " all aeroplane and helicopter flying except that performed by the major airlines and the Armed Services " . The General Aviation Awareness Council applies the description " all Civil Aviation operations other than scheduled air services and non @-@ scheduled air transport operations for remuneration or hire " . For the purposes of a strategic review of GA in the UK , the Civil Aviation Authority ( CAA ) defined the scope of GA as " a civil aircraft operation other than a commercial air transport flight operating to a schedule " , and considered it necessary to depart from the ICAO definition and include aerial work and minor CAT operations . 
