page_title: Required navigation performance
hierarchical_section_title: Required navigation performance
caption_attribution_description: English: RNP-AR 3D Approach tracks to Cajamarca, Peru (above) and La Serena, Chile (below), demonstrating the benefits of precise lateral and vertical navigation on airports located on mountainous regions
context_page_description: Required navigation performance is a type of performance-based navigation that allows an aircraft to fly a specific path between two 3D-defined points in space.
context_section_description: Required navigation performance (RNP) is a type of performance-based navigation (PBN) that allows an aircraft to fly a specific path between two 3D-defined points in space.
caption: RNP-AR 3D approach tracks to Cajamarca, Perú (above) and La Serena, Chile (below), demonstrating the benefits of precise lateral and vertical navigation on airports located on mountainous regions
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