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DME arc

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General Aviation

Good evening everyone I am looking for explanation of DME arc   Thank you so much

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1 Answers

  1. John D Collins on Dec 30, 2015

    A DME arc is a route whose center line is a fixed DME distance from the DME location. This results in a path described as an arc with the radius equal to the stated DME distance. One flies the arc by changing the heading to keep the DME distance constant. The usual accuracy expected is to maintain the same DME distance +/- 1 NM. DME arcs are often used as a means of transitioning from an airway to a final approach course, particularly in areas where there is poor or non existent radar surveillance as it permits flying directly from the airway to the final approach course without the need for a procedure turn to get oriented on the final approach course.

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