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Private Pilot Licence (PPL) – Canada · Question

What is the primary effect of an aircraft's centre of gravity (CG) being too far aft?

An aft CG reduces longitudinal stability, making the aircraft less stable around the lateral axis. This results in lighter control forces, difficulty in recover

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Question: What is the primary effect of an aircraft's centre of gravity (CG) being too far aft?

Answer options:

  • Improved stability and easier recovery from stalls.
  • Reduced cruise speed and increased fuel consumption. ✅ Reduced longitudinal stability, making the aircraft prone to stalling and difficult to recover.
  • Difficulty in rotating for takeoff.

Correct answer: Reduced longitudinal stability, making the aircraft prone to stalling and difficult to recover.

Explanation: An aft CG reduces longitudinal stability, making the aircraft less stable around the lateral axis. This results in lighter control forces, difficulty in recovering from stalls, and can lead to an uncontrollable flight condition.

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