![]() Improve airport and airspace access in all weather conditions.Increase safety through continuous descent procedures that reduce the risk of controlled flight into terrain and loss of control.RNAV procedures can provide benefits in all phases of flight, including departure, en route, arrival, approach, and transitioning airspace. RNAV and RNP provide environmental benefits because aircraft are able to reduce emissions and fuel consumption. Specifically, improved access and flexibility help to enhance reliability and reduce delays by defining more precise terminal area procedures. RNAV and RNP provide for more efficient design of airspace and procedures which collectively result in improved safety, capacity, predictability, operational efficiency, and environmental impacts. These operations must receive approvals that are characterized as Authorization Required (AR), similar to approvals required for operations to conduct Instrument Landing System Category II and III approaches. This onboard monitoring and alerting capability enhances the pilot’s situational awareness and can enable reduced obstacle clearance.Ĭertain RNP operations require advanced features of the onboard navigation function and approved training and crew procedures. RNP enables the aircraft navigation system to monitor the navigation performance it achieves and inform the crew if the requirement is not met during an operation. RNP is RNAV with the addition of an onboard performance monitoring and alerting capability. RNAV enables aircraft to fly on any desired flight path within the coverage of ground- or space – based navigation aids, within the limits of the capability of aircraft self-contained systems, or a combination of both capabilities. ![]() Performance-Based Navigation (PBN) is comprised of Area Navigation (RNAV) and Required Navigation Performance (RNP) and describes an aircraft’s capability to navigate using performance standards. To achieve its NextGen goals, FAA is implementing new Performance-Based Navigation (PBN) routes and procedures that leverage emerging technologies and aircraft navigation capabilities. Through NextGen, FAA is addressing the impact of air traffic growth by increasing capacity and efficiency while simultaneously improving safety, reducing environmental impacts, and increasing user access to the NAS. The Next Generation Air Transportation System (NextGen) is the FAA’s plan to modernize the National Airspace System (NAS).
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