Flight Plan Indicated Airspeed OAT 
Air Facts
MAY 5, 2025
The Cessna 150 Since I was the only instrument rated pilot on the team, and the weather was marginal VFR, I chose to fly the 172, N7358G, up to Fairfield on an IFR flight plan above the clouds at 7,000 feet. My IFR flight plan called for a climb through some 4,000′ of clouds up to a cruise altitude of 7,000 feet.
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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