TSO-C39b Washington,DC Date:4/17/87 TechnicalStandardOrder a.Applicability. (1)MinimumPerformanceStandards.Thistechnicalstandardorder(TSO) prescribestheminimumperformancestandardsthataircraftseatsandberthsofthefollowing typesmustmeetinordertobeidentifiedwiththeapplicableTSOmarking: ...