However, if you are looking for academic papers or technical documents regarding airport operations, design, or safety that might be contained in such an archive, several authoritative sources offer similar research: Academic & Technical Papers
If you already have this file and need to open it, .7z is a compressed format created by . Windows : Use the official 7-Zip utility . airport.7z
: You can extract it using the command 7za x filename.7z after installing the p7zip package, as noted by users on Super User . However, if you are looking for academic papers
: Official consultation papers, like those from AERA India , detail the economics of ground handling and airport materiality indices. Managing .7z Files like those from AERA India