View Full Version : Vnav Rnp/anp B777

Spooky 2
20th Oct 2008, 21:23
For those of you who are flying the 777 with the latest FMC loads I have a question. Is it your opinion the the VNAV RNP/ANP component uses a GPS signal to determine if you are in or out of limits, OR is this simply a baro function?