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The allowable Centre of Gravity (CG) range for a helicopter is determined by...

  • A
    The licensed engineer carrying out weighing.
  • B
    The national aviation authority.
  • C
    The pilot in command.
  • D
    The type certificate holder of the helicopter.

The allowable centre of gravity (CG) range for a helicopter is determined by the helicopter manufacturer based on extensive testing and analysis during the design and certification process. The manufacturer determines the allowable CG range by considering a number of factors, including the helicopter's weight, balance, and performance characteristics.

During the certification process, the manufacturer conducts a series of flight tests to evaluate the helicopter's stability, controllability, and manoeuvrability under a range of conditions. These tests help the manufacturer to establish the safe and effective operating limits of the helicopter, including the allowable CG range.

Once the helicopter is certified, the allowable CG range is typically documented in the helicopter's flight manual or other technical publications, such as the helicopter type certificate which can be updated by the operator of the helicopter. It is important for pilots to understand and adhere to the allowable CG range in order to ensure safe and effective flight operations. Any deviation from the allowable CG range can affect the helicopter's stability, performance, and controllability, potentially leading to unsafe flight conditions.

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