CTSO-C163a VDL Mode 3 Communications Equipment Operating Within the Frequency Range 117.975-137.000 Megahertz.pdf

English Translation Version for Reference Only Number:CTSO-C163a Date of approval:Mar 18 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. VDL Mode 3 Communications Equipment Operating Within the Frequency Range 117.975-137.000 Megahertz 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers applying for the VDL mode 3 munications equipment operating within the frequency range 117.975-137.000 megahertz CTSO authorization (CTSOA).This CTSO prescribes the minimum performance standards that the VDL mode 3 munications equipment operating within the frequency range 117.975-137.000 megahertz 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 CTSOA will require a new authorization in accordance with section 21.353 of -1- English Translation Version for Reference Only CAAC CTSO-C163a CCAR-21-R4. 3.Requirements a.New models of VDL Mode 3 munications equipment operating within 117.975 and 137.000 MHz identified and manufactured on or a...