CTSO-C123c Cockpit Voice Recorder Equipment.pdf

Number:CTSO-C123c Date of approval:June 28 2016 CAAC Approved by:Yang Zhenmei 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. Cockpit Voice Recorder Equipment 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers of cockpit voice recorder (CVR)equipments applying for a CTSO authorization (CTSOA).This CTSO prescribes the minimum performance standards(MPS)that CVR must first meet for approval and identification with the applicable CTSO marking. 2.Applicability. a.The applicant must submit an application according to this CTSO after its effective date.However up to six months after this CTSO's effective date if the applicant could show working against the prior MPS before the new change became effective the application for previous revision could be accepted. b.The CTSOA article approved under a previous CTSO may still be manufactured under the provisions of original approval after the effective -1- CAAC CTSO-C123c date of this CTSO. c.Major design changes to article approved under this CTSO will require a new authorization in accordance with section 21.310 of CCAR-21R3. 3.Requirements. New models of CVR equipment identified and man...