Décalque = report (d'un calque) sur un support = decal
Décalqué = transferred from decal
"Have you ever seen those massive logos on the tails of airplanes, or the lettering along the side, [...] Yes, sometimes it’s painted on. But oftentimes it’s vinyl.
[...] However, you cannot use traditional vinyl on pressurized aircraft. It can only be installed on aircraft that flies below 13,000 feet, such as a single engine, piston-powered Cessna or a Cirrus. [...]
When it comes to jumbo jets and large commercial aircraft, you have to use highly specialized aircraft vinyl that’s literally designed to breathe with the skin of the aircraft [...]. There are, however, liability issues. If the decal gets sucked into the engine, it could bring the airliner down".
http://www.signindustry.com/installation/articles/2008-07-01...