While reviewing the POH for a Cessna 172R, I noticed that the stall speed for the most rearward center of gravity with full full flaps is 33 KIAS and 47 KCAS. Why is there a 14 knot difference between the two airspeeds? Is it because not all of the airflow is flowing directly into the pitot tube during a higher angle of attack (stall)? I would think that would result in a higher calibrated airspeed, but I have been receiving different answers from multiple pilots.
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