From September 22nd to 24th, 2023, the Sixth Air Tour of Bulgaria was held under the slogans "Preserve the Airports in Bulgaria" and "In memory of the air defenders of the Motherland - 111 years since the death of the military pilot Hristo Toprakchiev". The tour passed through the airports of Dolna Mitropoliya, Ruse, Primorsko, Mustrak, and Ihtiman. Members of AOPA Bulgaria, the Association of Ultralight Aviation in Bulgaria, and the "Bulgarian Air Force" foundation gathered for the event.