English Translation Version for Reference Only Number:CTSO-C157b Date of approval:Sep 13 2018 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. Flight Information Services-Broadcast(FIS-B)Equipment 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers applying for FIS-B Data Link Systems and Equipment CTSO authorization (CTSOA).This CTSO prescribes the minimum performance standards(MPS)that FIS-B Data Link Systems and Equipment 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 FIS-B equipment identified and manufactured on or -1- English Translation Version for Reference Only CAAC CTSO-C157b after the effective date of this CTSO must meet the MPS qualification and documentation requirements in Table 1 of this CTSO. Table 1.Equipment Classes for FIS-B Equipment Equipment Name Functional Qualification Class 1 FIS-B Equipment ...