Learn More About Performance-based Navigation: A Revolution in Navigation
PBN Comes in Different Flavors
Want to understand the differences between the various forms of Performance-based Navigation? View the RNAV and RNP, short descriptions, and see PBN Navigation Specifications for more information about each type.
What is RAIM?
Confused by all the PBN-related acronyms? Check out the Glossary.
Dig Deeper
Want to dig deep into the technical background of RNP? Explore FAA and ICAO regulatory resources in the Technical Information section.
PBN Implementation Around the World
Want to learn from the people and organizations that are implementing PBN? Check out the Naverus PBN Summit, where PBN experts from around the world gather to share information.
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Performance-based Navigation (PBN) is the broad term used to describe the technologies that allow aircraft to fly flexible, accurate, three dimensional flight paths using onboard equipment and capabilities. PBN frees aircraft from reliance on fixed, ground-based radio-navigation aids and creates economic, environmental, safety and access benefits.
LEARN MORE  Area Navigation (RNAV) is a form of PBN in which equipment onboard the aircraft calculates and follows a direct navigation path between two points, without the aircraft having to overfly intermediate, ground-based navigation aids.
LEARN MORE Required Navigation Performance (RNP) is a form of Performance Based Navigation in which the onboard aircraft navigation system provides performance monitoring and alerting, allowing the aircraft to safely fly precise, three-dimensional trajectories.
LEARN MORE Continuous Descent Arrival (CDA) is a procedure in which equipment onboard the aircraft chooses the optimum point at which to begin the aircraft’s descent to landing during which the aircraft uses idle thrust, or minimum necessary thrust. A PBN approach path provides the predictability necessary for the aircraft to make the most efficient CDA. This is sometimes called an Optimized Profile Descent (OPD).
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The above diagram graphically depicts the difference between conventional navigation approach paths (represented by the Radar Vectors lines) an RNAV approach path, an RNP-AR approach path and a tailored RNP AR approach path. The RNAV and RNP paths are expamples of Performance-based Navigation |
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