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Aircraft operation rulesQuestion 87 of 351

Immediately before take-off, what must you set the altimeter to?

  1. 29.92 inches of mercury.
  2. Zero feet.
  3. The setting from the last airport.
  4. The altimeter setting of the aerodrome.
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Correct answer: The altimeter setting of the aerodrome.

Set the aerodrome altimeter setting, or the aerodrome elevation if no setting is available.

Source: Canadian Aviation Regulations (SOR/96-433), CAR 602.35(a) Altimeter-setting and Operating Procedures in the Altimeter-setting Region

Practice aircraft operation rules

Questions last reviewed: 18 October 2026