Flight Computer Thrust True Airspeed 
Professional Pilot
JULY 7, 2025
Every pilot knows that aircraft fly because the forces of lift and thrust balance or exceed the weight and drag countering them. Both thrust and lift rely on airfoils (eg, wings, turbine blades, and propellers) so any time temperature is higher than ISA or pressure is lower, density is below normal, reducing both lift and thrust.
Pilot Institute
MARCH 26, 2025
These include lift, propeller thrust, and engine combustion. This means that if you encounter these conditions on a particular day, you would need to achieve a higher true airspeed to produce the same lift that would be generated at lower airspeeds in denser air. Air density is fundamental in aviation.
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