Wilfred Jenks, C. Keywords: Civil liability | State responsibility | Mots clefs: Responsabilité civile | Responsabilité des Etats | ABSTRACT C. Wilfried Jenks points out in his introduction that there are a growing number of exceptions to the principle that liability under international law is solely based on fault. Are these exceptions considered as anomalies or indicative of a modification of the principle? C. Wilfried Jenks attempts to answer to the questions in his course, by successively studying the aviation …