Remove Approach Remove Distance Measuring Equipment Remove Flight Computer
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Navigating Instrument Failure at 10,000 Feet

Fear of Landing

One hour out, our ground speed is an absurdly slow: seventy knots as indicated by our distance measuring equipment (DME). Then, like the pioneer aviators, I bring out my manual flight computer, a circular slide rule invented in the 1930s, to plot distance flown against time in the air. Gavin sniggers.

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