CTSO-C87a Airborne Low-Range Radio Altimeter.pdf

English Translation Version for Reference Only Number:CTSO-C87a Date of approval:Apr 17 2017 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. Airborne Low-Range Radio Altimeter 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers applying for airborne low-range radio altimeter CTSO authorization (CTSOA).This CTSO prescribes the minimum performance standards(MPS)that airborne low-range radio altimeters must first meet for approval and identification with the applicable CTSO marking. 2.Applicability. This CTSO is applicable for new applications after the effective date of this CTSO. 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 -1- English Translation Version for Reference Only CAAC CTSO-C87a 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 date of this CTSO. c....