AFS-470 develops and maintains policies, procedures, and standards for Performance Based Navigation (PBN) flight operations. Our areas of responsibility include area navigation (RNAV), required navigation performance (RNP), and RNP Authorization Required (RNP AR) operations across all flight phases/domains.  More »

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Federal Aviation Administration
Performance Based Flight Systems Branch, AFS-470
470 L'Enfant Plaza, Suite 4102
Washington, DC 20024
Phone: (202) 385-4623
Fax: (202) 385-4653