Pilot's Life Blog

APRIL 9, 2024

In short, an airspeed indicator measures the ram pressure and compares it to static pressure to determine how fast a plane is moving. Moving air from outside feeds into the pitot tubes and fills a pressure diaphragm. True airspeed (TAS) is the difference between the indicated airspeed and actual speed.

Pitot Tube 52

Pitot Tube Indicated Airspeed True Airspeed Calibrated Airspeed 52

Flight Training Central

APRIL 8, 2024

What does the red line on an airspeed indicator represent? Turbulent or rough-air speed. What altitude does the altimeter indicate? Which instrument will become inoperative if the pitot tube becomes clogged? The pitot system provides impact pressure for which instrument(s)? Airspeed indicator.

Airplanes 52

Airplanes Altimeter Pitot Tube True Altitude 52

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.

VOR 52

VOR Weather Approach Runway 52