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Aircraft systems and instrumentsQuestion 523 of 934

A field is at 5,048 feet MSL. The standard temperature is 5 °C. The temperature rises to 30 °C, and the density altitude becomes 7,855 feet. How will the airplane perform on takeoff?

  1. As if the field elevation were 7,855 feet at standard temperature
  2. As if the field elevation were 5,048 feet at standard temperature
  3. As if the field elevation were 2,800 feet at standard temperature
  4. Better than at 5,048 feet
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Correct answer: As if the field elevation were 7,855 feet at standard temperature

The higher density altitude lowers the performance of the airplane.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 8: Flight Instruments — Altimeter — Types of Altitude, page 209

Practice aircraft systems and instruments

Questions last reviewed: 18 October 2026