CS 27.619 Special factors

• ED Decision 2003/15/RM found in: CS-27 Amdt 9 - Small Rotorcraft (Dec 2021)

CS 27.619 Special factors ED Decision 2003/15/RM (a) The special factors prescribed in [CS 27.621](#_DxCrossRefBm472493330) to [27.625](#_DxCrossRefBm472493329) apply to each part of the structure whose strength is: (1) Uncertain; (2) Likely to deteriorate in service before normal replacement; or (3) Subject to appreciable variability due to: (i) Uncertainties in manufacturing processes; or (ii) Uncertainties in inspection methods. (b) For each part to which [CS 27.621](#_DxCrossRefBm472493330) to [27.625](#_DxCrossRefBm472493329) apply, the factor of safety prescribed in [CS 27.303](#_DxCrossRefBm472493263) must be multiplied by a special factor equal to: (1) The applicable special factors prescribed in [CS 27.621](#_DxCrossRefBm472493330) to [27.625](#_DxCrossRefBm472493329); or (2) Any other factor great enough to ensure that the probability of the part being understrength because of the uncertainties specified in sub-paragraph (a) is extremely remote. CS 27.619 Special factors ED Decision 2003/15/RM (a) The special factors prescribed in [CS 27.621](#_DxCrossRefBm8893903) to [27.625](#_DxCrossRefBm8893902) apply to each part of the structure whose strength is: (1) Uncertain; (2) Likely to deteriorate in service before normal replacement; or (3) Subject to appreciable variability due to: (i) Uncertainties in manufacturing processes; or (ii) Uncertainties in inspection methods. (b) For each part to which [CS 27.621](#_DxCrossRefBm8893903) to [27.625](#_DxCrossRefBm8893902) apply, the factor of safety prescribed in [CS 27.303](#_DxCrossRefBm8893822) must be multiplied by a special factor equal to: (1) The applicable special factors prescribed in [CS 27.621](#_DxCrossRefBm8893903) to [27.625](#_DxCrossRefBm8893902); or (2) Any other factor great enough to ensure that the probability of the part being understrength because of the uncertainties specified in sub-paragraph (a) is extremely remote.