English Translation Version for Reference Only Number:CTSO-C145e 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. Airborne Navigation Sensors Using The Global Positioning System Augmented By The Satellite Based Augmentation System (SBAS) 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers applying for airborne navigation sensors using the global positioning system (GPS)augmented by the satellite based augmentation system (SBAS)CTSO authorization (CTSOA).This CTSO prescribes the minimum performance standards(MPS)that airborne navigation sensors using the GPS augmented by the SBAS 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. -1- English Translation Version for Reference Only CAAC CTSO-C145e 3.Requirements New models of airborne navigation sensors using the GPS augmented by the SBAS identified and manufactured on or af...