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Aircraft operation rulesQuestion 67 of 351

Which surfaces may NOT have frost, ice or snow adhering at take-off?

  1. Critical surfaces, such as wings and propellers.
  2. Only the fuselage paint.
  3. Only the landing gear.
  4. Only the cabin windows.
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Correct answer: Critical surfaces, such as wings and propellers.

No take-off with frost, ice or snow adhering to any critical surface.

Source: Canadian Aviation Regulations (SOR/96-433), CAR 602.11(2) Aircraft Icing

Practice aircraft operation rules

Questions last reviewed: 18 October 2026