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. RNAV System means a navigation system which permits aircraft operation on any . affects control procedures, separation and phraseology. .. Operator holding only P-RNAV approval or only US-RNAV approval. P.) Prefer Option 1. Agree with Option 2 as recommended in the Assessment of the possible application of the RNAV 1 specification as .. The development of a PBN IR must be in line with ICAO documentation (including ICAO phraseology) as well not to match with international standards like. 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).