This paper describes how perception negatively affects the integration of RPAS into a NON-segregated air space and presents a brief mathematical analysis of the available definitions of segregated airspace and protected airspace in relation to perception. Two paradigms of perception are cited: The induction paradigm and the interference paradigm. Two types of different tasks described by Prinz are analyzed with respect to the first paradigm, which are sensorimotor synchronization and spatial compatibility tasks. The article describes the normativity of the Chicago area with respect to the protected air space and how it can philosophically be considered as a segregated air space, changing the semiotic concept and the perception of aeronautical authorities. A semiotic analysis is also made of the RVSM airspace and its implications as a segregated airspace considering the PBN of the aircraft.