Y. Jennings, R. Keywords: International air law | Mots clefs: Droit aérien international | ABSTRACT R. Jennings devotes his course to Some Aspects of International Air Law. After a presentation of the development of the substantive air law before and after the Second World War, the author focuses on the International Organization of Civil Aviation. He describes, in particular, the structure and the role of the organization. Finally, the author examines ICAO's relations with the United Nations. R.Y Jennings consacre son cours à quelques aspects du droit international aéri…