What is a "T" Route? What is a "Q" Route? What is the High Altitude Grid? More to come...
Q-routes and T-Routes are high-altitude RNAV routes that start and end at a point in space.
Their development and implementation initiates the transition from conventionally-based
en route routing to performance-based en route routing, replacing the existing Jet and
Victor airway system with RNAV/RNP routing systems.