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CS 27.21 Proof of compliance
Available versions for ERULES-1963177438-4924
ED Decision 2003/15/RM
found in: CS-27 Amdt 9 - Small Rotorcraft (Dec 2021)
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CS 27.21 Proof of compliance ED Decision 2003/15/RM Each requirement of this Subpart must be met at each appropriate combination of weight and centre of gravity within the range of loading conditions for which certification is requested. This must be shown: (a) By tests upon a rotorcraft of the type for which certification is requested or by calculations based on, and equal in accuracy to, the results of testing; and (b) By systematic investigation of each required combination of weight and centre of gravity if compliance cannot be reasonably inferred from combinations investigated.
CS 27.21 Proof of compliance ED Decision 2003/15/RM Each requirement of this Subpart must be met at each appropriate combination of weight and centre of gravity within the range of loading conditions for which certification is requested. This must be shown: (a) By tests upon a rotorcraft of the type for which certification is requested or by calculations based on, and equal in accuracy to, the results of testing; and (b) By systematic investigation of each required combination of weight and centre of gravity if compliance cannot be reasonably inferred from combinations investigated.