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The airplane has one great advantage over all other forms of transportation: only a short time is required to construct the facilities necessary for its operation over a wide range of the earth’s surface. China is a vast nation: the huge size of the country and the resulting distances combine with the total absence of modern transportation to create a particularly strong demand for air transport. This is an urgent need, especially since the country' s economy, industries and trade cannot develop without transportation.

To evaluate the relationship of the natural law of the Universe and apply it to a concept of man-made or man-defined law, one must consider to some extent the over-all picture of the Universe as we know and understand it today. Primarily our main concern is the small portion of the world in which we, as individuals, reside. Occasionally we broaden our concern to our state and nation, and possibly to our world. Until recently our interest has been with our law (as each individual or sovereign nation sees it), our control, our flight in space.

The successive wave of hijacking of airplanes at gunpoint in 1961 made the press declare that the newest form of transportation had been struck by "air-age piracy''. The hijacking of airplanes is not new, however. The earliest cases had political implications as they involved the seizure of Czechoslovakian airplanes by refugees from communist-controlled countries who compelled the pilots to fly to the American zone of West Germany. The series of seizures of Cuban airplanes by political refugees who flew them to the United States were of the same vein. So, allegedly, was the seizure of a DC-8 jetliner by a French Algerian who sought to draw attention to the Algerian problem.

The present law governing the liability of manufacturers to make reparation for harm caused by defects, attributable to negligence, in their products has been hammered out over a period of rather more than a century by the courts which, on both sides of the Atlantic, administer the principles of the Anglo-American system, and finds its origin in an English case, Winterbottom v. Wright (1). The sole parallel between this case and those immediately concerning the aircraft manufacturer is that both are derived from allegedly defective vehicles: for the rest, Winterbottom v. Wright did not involve a manufacturer, and was not tried on the issue of the tort of negligence. Its importance in the law of products liability, and the solution to the paradox, lie not in what was decided in the case but in the misinterpretation of the decision by later courts, and in their application of that misinterpretation to cases which were properly based on the tort of negligence.

There can be no doubt that the expansion of aviation has greatly benefited the private, commercial, and military components of American society. It is equally beyond doubt, however, that this benefit has not been secured without corresponding disadvantages which, to some extent, have fallen upon a few individuals; specifically, those who own property in the vicinity of airports. The noise, vibration and possibility of crash which harass these persons are the inevitable by-products of the take-off and landing procedures followed by all fixed wing aircraft. With the advent of the jet aircraft, the discomfort and inconveniences suffered by them have become particularly acute.

Le caractère essentiel de l'Agence pour la sécurité de la navigation aérienne en Afrique et à Madagascar, ASECNA, est la dualité de sa nature. C'est à la fois un instrument d'assistance technique et un organisme de coopération en matière de sécurité aérienne. Historiquement l’ASECNA est le résultat d'une déconcentration de l'administration française de l'aviation civile, le Secrétariat Général à l'Aviation Civile (1). Cette opération fut rendue nécessaire par la décolonisation effectuée par la France en Afrique, à partir de 1956. La décolonisation s'accompagne généralement d'une assistance fournie par l'ex-puissance colonisatrice à l'État nouveau. La collaboration est substituée à la dépendance (2).