Multiple choice general knowledge

Altimeter setting is the value to which the barometric pressure scale of the altimeter is set so the altimeter indicates

  1. absolute altitude at field elevation.

  2. true altitude at field elevation.

  3. calibrated altitude at field elevation.

  4. Standard altitude at field elevation with pressure setting of 29.92.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Altimeter setting adjusts the barometric pressure scale so the altimeter indicates true altitude at field elevation. True altitude is the actual height above mean sea level under current atmospheric conditions. Answer B is correct - the alteter setting calibrates the instrument to read true altitude at the airport's elevation. Absolute altitude (A) is height above ground level. Calibrated altitude (C) is indicated altitude corrected for instrument error. Answer D describes pressure altitude, not the purpose of altimeter setting.

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