A modern stage of human development is imposing more and more requirements on radio navigation systems, means, and devices, which are based on increased requirements on the efficiency of information processing, reliability, volume, and accuracy of the information received, as well as an increase in the intensity of the use of such technologies. Pointed out circumstances up-grade the modern pilots' function on ensuring navigational safety which can be registered in rather difficult situations that require fast and correct decisions. All existing radio navigation devices and systems, regardless of their area of use, must meet requirements such as availability in time, space and organization; accuracy of data definition; continuity of work; integrity. That is why it is required to determine the most effective radio navigation systems and devices to improve navigation safety. The purpose of the study is considered to be a qualimetric analysis of the main characteristics of radio navigation devices. The main characteristics and classifications of radio navigation means are discussed in the article. The article classifies radio navigation devices according to their basic principles of operation, as well as enumerates and describes the main metrological characteristics of radio navigation devices. Automatic radio compasses of the ARC which is used in civil aviation were selected to conduct a qualimetric analysis of the characteristics of radio navigation devices. These radio navigation devices are installed on the aircraft. The collection of basic information about the studied radio navigation systems was carried out by studying the characteristics, technical documentation of the selected systems, as well as analyzing modern scientific sources on the research problem. As a result of the qualimetric analysis, the error in determining the CUR in automatic radio compasses used in civil aviation was established.