Federal Aviation Administration

RNAV/RNP Group

Updated: 9:13 am ET March 26, 2009

Mission Statement

The Area Navigation (RNAV)/Required Navigation Performance (RNP) Group provides guidance for and expedites the development of performance-based navigation (PBN) criteria and standards and implements airspace and procedure improvements. Specifically, the RNAV/RNP Group collaborates with the U.S. and international aviation communities – government and industry – as a leader in developing PBN concepts, technical standards, operator requirements, and implementation processes to enhance safety, increase capacity, improve efficiency, and reduce the environmental impact of aviation.

PBN Defined

PBN is a framework for defining performance requirements in “navigation specifications.” PBN framework can be applied to an air traffic route, instrument procedure, or defined airspace. PBN provides a basis for the design and implementation of automated flight paths as well as for airspace design and obstacle clearance. The two main components of PBN framework are Area Navigation (RNAV) and Required Navigation Performance (RNP). RNAV specifies the routes, while RNP specifies the performance criteria. Once the required performance level is established, the aircraft’s own capability determines whether it can safely achieve the specified performance and qualify for the operation.

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9:13 am ET March 26, 2009