Thread: Difference between PAR and ASR approaches
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Old 07-05-2012 | 11:43 AM
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Std Deviation
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From: Square root of the variance and average of the variation
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Originally Posted by ajarnold
My question is that if other precision or non-precision approaches are avialable why would you fly an ASR approach?
How about a total electrical failure in a Cessna 172 near Flint, Michigan, in the winter while IFR, talking on a handheld radio That's a great time for an ASR.

Back then the class C was called an ARSA though!
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