Airplanes Indicated Airspeed OAT 
Air Facts
MAY 5, 2025
Flying a single engine airplane, under IFR, in the clouds, in a non-radar environment and without an autopilot, adds a great deal to the pilots work load. With three airplanes, we departed Springfield for Fairfield, Iowa to compete in an NIFA competition against five other schools. This was the situation on Friday, December 1, 1972.
Pilot Institute
MARCH 26, 2025
Density Altitude = Pressure Altitude + [120 x (OAT – Standard Temperature)] For example, the temperature at a pressure altitude of 5,000ft is 7C. Note: OAT and ISA Standard Temperature should be in degrees Celsius. This increased true airspeed, along with other factors increases takeoff and landing distances.
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