Which route system is specifically designed for RNAV-capable aircraft?

The route system specifically designed for RNAV-capable aircraft is known as Q routes. These routes are part of a network established for aircraft equipped with area navigation (RNAV) capabilities, allowing them to navigate more flexibly and efficiently compared to traditional routes. Q routes utilize GPS or other advanced navigation systems that enable aircraft to fly directly to waypoints instead of being confined to conventional VOR navigational aids or airways. This system is particularly advantageous for optimizing flight paths, reducing congestion, and enhancing overall airspace management.

In contrast, VOR routes and airways are primarily based on ground-based navigation aids, which do not capitalize on the advanced capabilities that RNAV technology provides. Jet routes, while used for higher altitude flights primarily conducted by jets, also do not specifically cater to the navigation capabilities inherent in RNAV systems like Q routes do. Thus, Q routes are unique to RNAV operations, maximizing the technology's potential in modern aviation.