Indicated Airspeed Threshold Turbulence 
Air Facts
MAY 5, 2025
This particular 172 normally cruised at 120 mph indicated airspeed, but with the ice it would barely do 90 mph and that required full throttle! The general prognosis indicated no icing in the clouds, no turbulence and a quartering headwind from the west resulting in a mere five knots of headwind component.
Photographic Logbook
JULY 11, 2024
At one point, we entered a region of sufficient turbulence that I disengaged the autopilot to hand-fly. Caught in series of up and down drafts, the autopilot pitched the Warrior aggressively to maintain altitude and the indicated airspeed trended too high in each updraft.
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