What does RNAV allow pilots to do?

RNAV, or Area Navigation, empowers pilots to navigate on any desired course without being limited to flying directly to ground-based navigation aids. This capability enhances operational flexibility, allowing for more efficient flight paths and the ability to optimize routes based on air traffic, weather conditions, and direct navigation to waypoints that may not correspond to traditional navigation facilities.

By using RNAV, pilots can better manage airspace congestion and improve fuel efficiency through more direct routing. This also means that flights can be conducted in areas where there are no ground facilities available, expanding operational capabilities in various environments. Options that suggest navigation is restricted to ground facilities, only visual navigation techniques, or merely determining speed and altitude do not accurately capture the essence of what RNAV facilitates in aviation.