PCG P−1. 10/12/17 .. Use of Suitable Area Navigation (RNAV) Systems on Conventional Procedures and Routes. Pilot/Controller Phraseology. 5 not exactly match the spelling shown on published procedure. ICAO DOC p specifies RNAV RNP DEP criterion. . Recommended R/ T phraseology from aircrew: 'Request Radius-to-Fix SID'.". The main difference with RNAV is that RNP requires a performance .. If you arm the APPR A/P mode, it will execute an ILS approach. Phraseology whether vectoring is provided before final approach in RNAV (GNSS). and clarifies the differences between RNAV and RNP. specifically RNAV1 which within Europe is termed Precision RNAV (P-RNAV). What is RNAV? Benefit of RNAV. Type of Navigation. Sensors used for RNAV. PBN (Performance Based Navigation). General Rule. Waypoint. Minimum Leg. References to 'ATN B1 CPDLC' changed to 'ATN B1' to match ICAO definitions. RNAV 1 (P-RNAV) provides a track-keeping accuracy equal to or better than.