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What are the effects on stability and manoeuvrability of a CG behind the aft limit? Longitudinal stability…

  • A

    is reduced and manoeuvrability is increased.

  • B

    is increased and manoeuvrability is reduced.

  • C

    and manoeuvrability are increased.

  • D

    and manoeuvrability are reduced.

This question is asking about the effect on performance with a rearwards CG position. The CG is behind the aft limit which could lead to various issues, but EASA only want to know about the general effects of a rear CG.

With the decrease in trim drag and also less main wing lift being required, the effects include:

  • Lower stalling speed
  • Decreased fuel consumption
  • Increased range and endurance
  • Increased climb performance
  • Decreased stability
  • Increased manoeuvrability
  • Decrease in take-off and landing speeds

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