English Translation Version for Reference Only Number:CTSO-C209 Date of approval:Apr 29 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. Electronic Flight Instrument System (EFIS)Display 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers applying for Electronic Flight Instrument System (EFIS) Display CTSO authorization (CTSOA).This CTSO prescribes the minimum performance standards (MPS)that Electronic Flight Instrument System (EFIS)Display 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-21-R4. -1- English Translation Version for Reference Only CAAC CTSO-C209 3.Requirements New models of EFIS identified and manufactured on or after the effective date of this CTSO must meet the requirements in Society of Automotive Engineers (SAE)Aerospace Standard (AS)6296 Electronic Flight Instrument System (EFIS)Displays dated March 16 2016 and section 4 of (AS)8...