CTSO-C122a Equipment That Prevents Blocked Channels Used In Two-Way Radio Communications Due To Simultaneous Transmissions.pdf

English Translation Version for Reference Only Number:CTSO-C122a Date of approval:Jan 14 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. Equipment That Prevents Blocked Channels Used In Two-Way Radio Communications Due To Simultaneous Transmissions 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers applying for equipment that prevents blocked channels used in two-way radio munications due to simultaneous transmissions CTSO authorization (CTSOA).This CTSO prescribes the minimum performance standards that equipment that prevents blocked channels used in two-way radio munications due to simultaneous transmissions 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 English Translation Version for Reference Only CAAC CTSO-C122a CCAR-21-R4. 3.Requirements New models of equipment that prevents blocked channels due to simultaneous transmissions identified a...