What does VOR stand for in navigation?

VOR stands for Very High Frequency Omnidirectional Range. This is a type of radio navigation system for aircraft that allows pilots to determine their position and stay on course by receiving signals from a network of ground-based radio beacons.

The term "Very High Frequency" indicates the frequency band on which these navigational aids operate, typically between 108.0 MHz and 117.95 MHz. The "Omnidirectional" aspect refers to the ability of the VOR system to provide navigational information in all directions from the ground station, making it a reliable tool for pilots in various flight conditions.

Understanding the VOR system is crucial because it provides both navigation assistance and helps maintain situational awareness during flight, especially in instrument meteorological conditions. This foundational knowledge is important for any pilot using navigation aids.

The other options do not accurately describe the VOR system. For instance, "Visual Omni Range" and "Variable Operational Reference" misrepresent the nature and purpose of the VOR, and "Vertical Operational Range" does not relate to the VOR navigation framework at all. Thus, recognizing the correct terminology and purpose of VOR is essential for effective navigational practices in aviation.