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A centre of gravity envelope runs from \( 15 \) to \( 35 \) per cent MAC. A loading giving \( 38 \) per cent is

  • A.Outside the aft limit
  • B.Within limits
  • C.Outside the forward limit
  • D.At the aft limit exactly

Answer: A

Correct answer: Outside the aft limit

The envelope runs from 15 to 35 per cent MAC, and 38 per cent lies beyond its aft edge. An aft centre of gravity reduces the static margin, so the aircraft becomes less stable and the pitch control lighter than certified - which is why the loading must be corrected before flight rather than treated as a small exceedance.

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