What is the correct procedure for conducting an airborne VOR check?

The correct procedure for conducting an airborne VOR check involves flying over a specific landmark. This method allows the pilot to verify the accuracy of the VOR signal. When you fly over a known VOR station, you can compare the VOR receiver's indication with the published VOR radials, confirming that the equipment is functioning correctly.

The choice to fly over a landmark is vital because it provides a reference point from which the VOR signal can be accurately assessed. Pilots can ensure that the VOR instrument reads 180 degrees when directly over a VOR station, verifying that it is calibrated and working properly.

While other options might involve operating conditions or maneuvers, they do not specifically address the standard procedure for checking VOR equipment in flight. Therefore, flying over a landmark is the most suitable and widely accepted practice for an airborne VOR check.