CTSO-C42 Propeller Feathering Hose Assemblies.pdf

English Translation Version for Reference Only Number:CTSO-C42 Date of approval:Jun 4 2019 CAAC Approved by:Xu Chaoqun China Civil Aviation Technical Standard Order This China Civil Aviation Technical Standard Order (CTSO)is issued according to Part 37 of the China Civil Aviation Regulations (CCAR-37).Each CTSO is a criterion which the concerned aeronautical materials parts or appliances used on civil aircraft must ply with when it is presented for airworthiness certification. Propeller Feathering Hose Assemblies 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers applying for Propeller Feathering Hose Assemblies CTSO authorization (CTSOA).This CTSO prescribes the minimum performance standards(MPS)that Propeller Feathering Hose Assemblies must first meet for approval and identification with the applicable CTSO marking. 2.Applicability. This CTSO affects new application submitted after its effective date. Major design changes to article approved under this CTSO will require a new authorization in accordance with section 21.353 of CCAR-21R4. 3.Requirements New models of Propeller Feathering Hose Assemblies identified and -1- English Translation Version for Reference Only CAAC CTSO-C42 manufactured on or after the effective date of this CTSO must meet the MPS qualification requirements of the following types. Type 1 (pressure line)hose assemblies which are intended to be used in the line connecting the feathering pump outlet to the propell...