1. Definitions(PDF). Annex 6, Operation of Aircraft Part I, International Commercial Air Transport – Aeroplanes 9. International Civil Aviation Organization (ICAO). July 2010: 1, 3 and 5 [17 March 2019]. ISBN 9789292315368. (原始内容存档(PDF)于2015-01-12).
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What is GA?(PDF). AOPA. [2012-11-17]. (原始内容(PDF)存档于2017-10-08).
1. Definitions(PDF). Annex 6, Operation of Aircraft Part I, International Commercial Air Transport – Aeroplanes 9. International Civil Aviation Organization (ICAO). July 2010: 1, 3 and 5 [17 March 2019]. ISBN 9789292315368. (原始内容存档(PDF)于2015-01-12).