Thanks. Indeed, I too thought initially Radio Controlled, being the most common meaning, but it made no sense.
It was a total failure, though. I downloaded and installed on stock 4.11 (plus only Enjoyer for no mods) and could neither continue an existing career (Windows error clicking "Quit Mission") nor start a new one (high note from internal speaker when clicked on "Start" generating career.
Ardisco, colpisco, meninfischio ("I dare, hit and do not care about it!" - Written on a SM 79 "Sparviero" during Spain civil war)