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Germany and Austria Complete Mutual Aerial Security Treaty

Germany and Austria Finalize Aerial Security Agreement

In a significant step towards enhancing aerial security, Germany and Austria have finalized a treaty that allows both nations to manage airspace violations across their shared border without requiring prior approval. This agreement, which focuses on non-military threats, aligns with existing arrangements within the Alpine region, completing what is known as the “Alpine triangle.”

According to the new law, both countries are empowered to respond to “non-military” airspace violations, involving both manned and unmanned aircraft that are suspected of illegal activities or unauthorized entry. The treaty also entails the sharing of daily air surveillance reports between Berlin and Vienna, fostering closer collaboration on aerial security.

The treaty was ratified by Germany’s Bundestag in late February, after initial negotiations began in 2018 but were delayed due to the COVID-19 pandemic and other political shifts. Meanwhile, Austria’s Nationalrat had already approved the agreement in 2024, following its signing in Berchtesgaden two years prior.

Importantly, the treaty prohibits the use of weapons and certain coercive actions within the airspace of the partner country, mirroring agreements previously established between Germany and Switzerland in 2007, and Austria and Switzerland in 2017.

This newly completed agreement addresses the challenge of unidentified aircraft navigating the complex border areas between Germany, Austria, and Switzerland. The longstanding policy of military neutrality in Austria and Switzerland, nations not part of NATO, has influenced the treaty’s focus on non-military threats.

Despite their military neutrality, both Austria and Switzerland joined the European Sky Shield air defense initiative led by Germany, formalizing their participation in a joint ceremony in 2023.

The treaty between Germany and Austria is set to take effect three months following mutual notification of ratification, anticipated around May or June.