The French civil aviation authority, DGAC, has published the first GNSS nonprecision approach procedure for a French airport and is working toward introducing approaches with vertical guidance (APVs) once the necessary augmentation of the GPS signals is available and the relevant ICAO design criteria become effective.
Stephane Dubet, head of the R&D division in the DGAC’s aeronautical information service (SIA), said in Maastricht that the French strategy had been to start with GNSS-based nonprecision approaches (NPA-GNSS), which rely on GPS signals plus receiver autonomous integrity monitoring, otherwise known as the airborne-based augmentation system. By the end of this year the DGAC hopes to have approval for the implementation of precision area navigation (PRnav), which will enable it to introduce PRnav standard instrument departures and standard arrivals.
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