What significant security issue was addressed by the Tokyo Convention of 1963?

The Tokyo Convention of 1963 primarily addressed the issue of unlawful acts against civil aviation, particularly focusing on aircraft hijacking and the challenges resulting from such incidents. The most significant security issue highlighted by the convention revolves around how to handle situations involving unlawful interference with civil aviation, which includes acts like hijacking that can create widespread fear and disrupt air travel.

While the choice regarding passenger screening technologies and the creation of security regulations are relevant to aviation security as a whole, they do not specifically reflect the primary focus of the Tokyo Convention. Instead, the convention's intention was to provide a legal framework for addressing crimes committed in the air, allowing for a clear set of protocols when addressing hijacking incidents, which contributes to the larger aim of enhancing safety and security in aviation.

In summary, the significance of the Tokyo Convention lies in its establishment of international norms for the prosecution and prosecution of those committing unlawful acts in civil aviation, thus contributing notably to addressing serious security concerns in international air travel.