Practice question

What are the colors of Mandatory Instruction Signs (such as Runway Holding Position signs) on an aerodrome?

  1. White inscriptions on a RED background (e.g., '09-27' in white on red).
  2. Black inscriptions on a yellow background.
  3. Yellow inscriptions on a black background.
  4. Blue inscriptions on a green background.

Answer: A — White inscriptions on a RED background (e.g., '09-27' in white on red).

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