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badderjet

Are NPS a selectable option?

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Hey gurus,just asked myself if the NPS indications were actually an airline selectable option, or maybe they are tied to the new Collins AFDS? Thing is, when I once flew one of the NGs with the older Honeywell MCP a couple years ago I simply cannot remember to have noted any NPS indications, nor can I find them on any picture I took. I understand they should be visible during descent only, but I just double checked and they were really not there. Just being curious if they are a complete independent option (regardless of other installed systems) or tied to some other system selection.sig.gif

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My understanding is that NPS is an option.NPS is displayed in all phases of flight (not sure if they are displayed on the ground) so that crew can monitor navigation performance.

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Yeah,right now I am not quite sure as to why I thought it was only there during descent. Couldn't check atm but you might be right. Thanks for the reply. :(sig.gifOh, and I'm pretty darn sure they're not there on the ground - there isn't quite any RNP... :(

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Oh, and I'm pretty darn sure they're not there on the ground - there isn't quite any RNP... :(
They reflect how accurately you can hold the taxiway centerline! :(

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They reflect how accurately you can hold the taxiway centerline! :(
LOL, yeah that'd be in the RNP 0.00005 range then... :(sig.gif

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