> "Civil" in the meaning they seem to be using means "neither military nor religious" (e.g. civil servant). More likely, just not-military, which is the well-e

> "Civil" in the meaning they seem to be using means "neither military nor religious" (e.g. civil servant). More likely, just not-military, which is the well-established meaning of “civil” in the specific context of aviation. As you note, however, it is still wrong: as Concorde (and the Tu-144, despite its engines being controlled military technology) existed.