pax aeronautica
/ˌpaks ɛːrə(ʊ)ˈnɔːtɪkə/rare
noun
The peaceful use of international airspace; the absence of aerial warfare.
Origin
1930s; earliest use found in Michael Arlen (1895–1956), novelist. From classical Latin pāx peace + post-classical Latin aeronautica, feminine of aeronauticus relating to aeronautics.