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Unusual starting point for procedure turn. Follow up

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General Aviation

Thanks to both instructors that provided replies to my question on the ILS approach to Rwy.14 at KCXO earlier today.

I would like to ask a follow-up question:  to fly the approach correctly is it really necessary to start the procedure turn at CFBQR?  Without GPS I would not know how to find this waypoint.

Thanks again

2 Answers

  1. Best Answer


    Russ Roslewski on Oct 17, 2016

    CFBQR has no bearing on how you fly this approach. It is what is called a Computer Navigation Fix, CNF, and is only there so the GPS has something to navigate to. Personally, I don’t think they should be charted at all. Where you start or end your PT is not determined by the CNF.

    We had a good discussion a few years ago here too.

    http://www.askacfi.com/11842/computer-navigation-fix.htm

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  2. Russ Roslewski on Oct 17, 2016

    I’m not the only one who thinks they shouldn’t be charted, as this item came up a few years ago at the Aeronautical Charting Forum

    http://ipv6.faa.gov/about/office_org/headquarters_offices/avs/offices/afs/afs400/afs420/acfipg/media/closed/Hist_12-02-303.pdf

    There is a lot of good discussion there about the purpose for them and why the proposal to not chart them was voted down.

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