• How Far Off Course Are We? - VOR Navigation Tutorial

    How Far Off Course Are We? - VOR Navigation

    This shows how to figure the distance off course when flying a course to a VOR. The method used in this example shows how to solve the similar type of question on the FAA Instrument (knowledge) Written Exam.

    200 feet per dot per nautical mile is used. The distance is in feet and must be divided by 6000 to get the distance off course in nautical miles.

    thecorporatepilotdad
    Youtube channel

    About The Author

    This video is produced by thecorporatepilotdad. He has been a FlightSim.Com member for close to twenty years and using Flight Simulator since back in the day of FS98 and FS2000. He is also a professional pilot with over 7000 hours of real world flight experience ranging from Cessna 152s to super-mid size business jets.


    7 Comments
    1. mikeandpatty's Avatar
      mikeandpatty -
      There's an easier way: each dot represents 2 degrees. At 60 nm away, each degree off scale equals 1 nm. at 30 nm, each dot equals 1/2 nm, etc. at 24nm, one degree = 24/60 =12/30=2/5 of a nm.

      Simply put, 3 dots = 6 deg at 2/5 nm/deg = 12/5 =2.4 nm off course.
    1. mallcott's Avatar
      mallcott -
      Use of the GPS in conjunction with VOR also removes any doubt, and provides instant correlation.
      In 2022 why would you NOT use all the facilities available to you? GPS is now a staple.
      I use GPS and VOR in real life, for added reassurance. Both methods can happily be used together, or independently.
    1. flytv1's Avatar
      flytv1 -
      Hi.
      >>each dot represents 2 degrees. At 60 nm away, each degree off scale equals 1 nm.<<

      >>30 nm, each dot equals 1/2 nm<< ???
    1. lnuss's Avatar
      lnuss -
      flytv1, is there an actual question in your post? Each dot off center on the CDI is 2º (a very basic fact of life), but the various methods mentioned above (and in the video) are ways of using that, along with some other parameter, to calculate certain distances. It's not clear to me what your ??? was intended to ask, if anything.
    1. mikeandpatty's Avatar
      mikeandpatty -
      Quote Originally Posted by flytv1 View Post
      Hi.
      >>each dot represents 2 degrees. At 60 nm away, each degree off scale equals 1 nm.<<

      >>30 nm, each dot equals 1/2 nm<< ???
      correction - each DOT (2 deg) = 1nm at 30 nm, 1 deg = 1/2 nm at 30 nm
    1. flytv1's Avatar
      flytv1 -
      Hi Mike.
      I just wanted to make sure that you get right. You may delete my post if you can / like, I tried to do it but I was unable.

      Hi Lnuss.
      Just an honest typo mistake. I should have been more detailed with my answer but it is Not difficult to follow the logic.
      I've been doing this for quite a while and it's second nature, I used that procedure many times in real flying.
    1. lnuss's Avatar
      lnuss -
      Yep, I see what happened, and I should have caught it too, but I scanned it too briefly. So good catch, but it just didn't register to me at the time.
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