English Translation Version for Reference Only Number:CTSO-C116a Date of approval:Oct 24 2017 CAAC Approved by:Yang Zhenmei 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. Crewmember Portable Protective Breathing Equipment 1.Purpose. This China Civil Aviation Technical Standard Order (CTSO)is for manufacturers applying for crewmember portable protective breathing equipment (PBE)CTSO authorization (CTSOA).This CTSO prescribes the minimum performance standards(MPS)that PBE 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. a.New models of crewmember portable PBE identified and manufactured on or after the effective date of this CTSO must meet the -1- English Translation Version for Reference Only CAAC CTSO-C116a MPS qualification and documentation requirements in SAE International's Aerospace Standa)8047 Performance Standard for Cabin Crew Portable ProtectiathingBEquipment for Use During Aircraft Em...