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Dreaming STARS
On 2 Apr 2007 06:35:11 -0700, "
wrote: On 23 mar, 16:11, "Stan Prevost" wrote: Sorry, I don't have (or know) a concise explanation of the relationship between the RNAV requirements and RNP requirements. I was just pointing out a recent change. Here are some references. RNAV usually means B-RNAV which is "aircraft must not deviate more than 5 NM from the route during 95% of time". So B-RNAV=RNP 5. we begin to see RNP 2 and RNP 1 for more accurancy (RNP1=P-RNAV, precision-RNAV). SID/STAR are usually RNP 1 already in Europe. Enroute are RNP 5 or 2. RNP1 can not be flown safely by a human being. So expect radar vectors for departure/arrival Thanks Fred. So if BRNAV is RNP 5, why use the term BRNAV? While I've heard of PRNAV, I've not seen that one **needs** RNP 1 in order to be PRNAV approved, Similarly, I don't think in the US operators will need RNP1 or 2 approval to fly the new RNAV 1 or 2 sids/stars. All very murky to me.. Stan |
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