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Which EASA publication specifies the design specifications for small rotorcraft?

  • A

    Certification Specification (CS)-29

  • B

    Certification Specification (CS)-27

  • C

    Certification Specification (CS)-23

  • D

    Certification Specification (CS)-25

Refer to figure.
EASA Certification Specifications (CS) are regulatory standards that outline the airworthiness requirements for different categories of aircraft. The four main CS categories are as follows:

CS-23: Normal-Category Aeroplanes - CS-23 applies to small airplanes. It covers various aspects such as design, construction, performance, systems, equipment, and operating limitations for these aircraft.

CS-25: Large Aeroplanes - CS-25 is applicable to large airplanes. It defines comprehensive airworthiness standards, including design, systems, structures, powerplants, performance, handling qualities, and more for these aircraft.

CS-27: Small Rotorcraft - CS-27 focuses on small rotorcraft, including helicopters, with a maximum take-off weight of less than 3,175 kg (7000 lbs) or less and 9 or less passenger seats. It encompasses requirements related to design, construction, systems, equipment, performance, and safety considerations specific to these types of rotorcrafts.

CS-29: Large Rotorcraft - CS-29 applies to large rotorcraft, including helicopters, with a maximum take-off weight exceeding 3,175 kg (7000 lbs) and 10 or more passenger seats. It establishes stringent airworthiness standards, including design, systems, structures, powerplants, performance, handling qualities, and safety aspects specific to large rotorcraft operations.

EASA's CS provide a framework for manufacturers, operators, and regulators to ensure that aircraft within each category meet the required safety and performance standards. Compliance with these specifications is a crucial step in obtaining the necessary certification for aircraft operation within the European Union.

Therefore, the correct answer isCertification Specification (CS)-27”.

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