CTSO-C158 Aeronautical Mobile High Frequency Data Link （HFDL） Equipment.pdf

English Translation Version for Reference Only Number:CTSO-C158 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. Aeronautical Mobile High Frequency Data Link (HFDL)Equipment 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers applying for Aeronautical Mobile High Frequency Data Link (HFDL)munications equipment CTSO authorization (CTSOA). This CTSO prescribes the minimum performance standards(MPS)that HFDL 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 HFDL systems and equipment that are to be so -1- English Translation Version for Reference Only CAAC CTSO-C158 identified and that are manufactured on or after the effective date of this CTSO must meet the Minimum Performance Standards (MPS)set forth in RTCA document No.(RTCA/DO)-265 “Minimum Operational Performance ...