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Published: 30 June 2018 The paper presents the results of determining the HPL and VPL safety parameters used to evaluate the reliability of aircraft positioning in air transport. The HPL and VPL security level parameters were determined using GPS and GLONASS systems for the NPA GNSS nonprecision landing approach. The work also compares the HPL and VPL values with the technical standards published by ICAO.

scientific journal of the military university of land forces

Determination of reliability parameters of HPL and VPL technical safety in the procedure of a non-precision landing approach NPA GNSS with using GPS and GLONASS navigation systems in air transport