Altitude Types Flashcards
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Questions and Answers

What is absolute altitude?

  • The altitude read directly from the altimeter
  • The height above the standard datum plane
  • The vertical distance of the aircraft above the surface (correct)

    • What is true altitude?

  • The height above the standard datum plane
  • The vertical distance of the aircraft above the surface
  • The vertical distance of the aircraft above sea level (correct)

    • What is density altitude?

  • The height above the standard datum plane
  • The pressure altitude corrected for nonstandard temperature (correct)
  • The altitude read directly from the altimeter

    • What is pressure altitude?

    <p>The altitude indicated when the barometric pressure scale is set to 29.92</p> Signup and view all the answers

    Altimeter setting is the value to which the barometric pressure scale of the altimeter is set to indicate what?

    <p>True altitude at field elevation</p> Signup and view all the answers

    Under what condition is indicated altitude the same as true altitude?

    <p>When at sea level under standard conditions</p> Signup and view all the answers

    Under which condition is pressure altitude and density altitude the same value?

    <p>At standard temperature</p> Signup and view all the answers

    Under which condition will pressure altitude be equal to true altitude?

    <p>When standard atmospheric conditions exist</p> Signup and view all the answers

    Study Notes

    Types of Altitude

    • Absolute Altitude: Vertical distance above the ground level, known as Above Ground Level (AGL).

    • True Altitude: Actual height of the aircraft above mean sea level (MSL).

    • Density Altitude: Pressure altitude modified for nonstandard temperature, indicating how altitude affects aircraft performance.

    • Pressure Altitude: Aircraft height measured from a standard datum plane set at 29.92 inches of mercury (Hg). This altitude reflects the aircraft's height above this standard and does not account for temperature variations.

    • Altimeter Setting: The adjusted value on the altimeter that ensures it reads true altitude at the field elevation.

    • Indicated Altitude and True Altitude Equivalence: They only match at sea level under standard atmospheric conditions, where the altimeter is correctly calibrated.

    • Condition for Pressure and Density Altitude to be the Same: Both altitudes are equal when standard temperature conditions are present.

    • Condition for Pressure Altitude to Equal True Altitude: This occurs under standard atmospheric conditions, defined as 29.92 inches of mercury and a temperature of 15 degrees Celsius at sea level.

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    Description

    Explore the different types of altitude with these flashcards. Test your knowledge of absolute and true altitude, and understand how each is defined in aviation. Perfect for aviation students and enthusiasts alike.

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