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What is PRNAV ?

Precision-RNAV (P-RNAV) is the natural progression from Basic RNAV (B-RNAV) which became mandatory in European Airspace in April 1998 for en-route operations. Initial application is in the Terminal Area and P-RNAV track keeping equates to cross track accuracy of RNP 1 ( or - 1NM). P-RNAV procedures are designed to a common set of design principles specific to RNAV equipped aircraft. These P-RNAV procedures will replace the wide variation of RNAV procedures in European ECAC Terminal Airspace that do not have a common basis.

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