Practice question

How is Magnetic Variation defined in aeronautical navigation?

  1. The angular difference between True North and Magnetic North at a specific position
  2. The angular difference between Magnetic North and Compass North caused by aircraft structure
  3. The annual change in airport elevation caused by tectonic drift
  4. The drift angle caused by crosswind forces on the aircraft fuselage

Answer: A — The angular difference between True North and Magnetic North at a specific position

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