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3 Answers

RNAV waypoints not visiable on IFR low chart

Asked by: 5704 views Instrument Rating, Private Pilot

Recently I was viewing a recent filled plan from Bowling Green to McCollum with a filed route KBWG GQO DUMBB BUNNI KRYY.

I can create the route on my EFB flight planner and it recognizes DUMBB and BUNNI as valid RNAV-WPs.  However the names do not appear on the charts.  It just plots turns through those two WPs.  I checked the STARS and find no current one with those two points mentioned, even as transitions.  In doing some research there appears to have been a BUNNI STAR years ago.  Most curious as to why they appear to be valid WPs that can be used but do not visually appear on the IFR Low chart.

Dave

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3 Answers



  1. Russ Roslewski on Jul 31, 2018

    Those fixes still exist. When the BUNNI STAR was canceled, the fixes were still used for other purposed so they were retained.

    DUMBB is used on the CZL RNAV (GPS) RWY 35 and the CHA RNAV (GPS) RWY 2.
    BUNNI is used on the PDK RNAV (RNP) Z RWY 21L

    I assume you were looking at the “recent flights” part of an EFB such as Foreflight, showing other people’s flights. Did it say how “recent” this flight was? If it was in fact pretty recent, then the pilot may have been flying this same route for years. Even with the STAR canceled, since these fixes still exist, the route would still work. But someone new to the route would not likely file for these fixes, preferring the existing STARs instead.

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  2. Dave Ballard on Jul 31, 2018

    Flight was recent w/i 7 days. Pilot was coming back from Oshkosh Just curious why there are waypoints that are active but not visible on the chart especially since there are other visible waypoints immediately adjacent to the masked ones. Seems kike they should be deactivated.

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  3. John D Collins on Aug 02, 2018

    Waypoints are needed for all types of uses, including in routes, SIDs, STARs, and approaches. Waypoints published on the IFR high and lo enroute charts are usually those that are needed for routes and key points used by ATC, such as RNAV vector SIDs, the point that the controller vectors the aircraft to to join the route portion of the SID. Not all points on a SID or STAR are also charted on the enroute charts. Pilots may file any adapted (known to the ATC computer) waypoint. If you use a nearest waypoint function of an App such as ForeFlight, you will be offered nearest waypoint in the database. These waypoints may include those only used on an approach. Not every waypoint is adapted by the ATC computer and the flightplan may get rejected if it is not an adapted waypoint. So I recommend to pilots to use waypoints that are charted on the low enroute chart or if it is part of an approach, choose an IAF, as these are generally adapted.

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