根据AC-121-55的规定,使用FAAPMA件时,关键件应当有在美国航空营运人运行的航空器至少()飞行小时或者()循环的使用经历,并且没有发生过因其失效或者缺陷引起的航空器使用困难。
A.1250,1250
B.2500,1250
C.1250,2500
D.2500,2500
A.1250,1250
B.2500,1250
C.1250,2500
D.2500,2500
A.国际民用航空组织(ICAO)
B.中国民航局
C.美国FAA
A.WhenmakingthisSpecification,therulesaregenerallyrefertotherulesthatusedbyFAAinmakingitsrules
B.WhenmakingthisSpecification,weusetheexactidenticalconstructionruleswithFAAinmakingitsspecifications
C.TherulesofconstructionfollowedinthepreparationofthisSpecificationarethesameasgenerallyusedbytheFAAinthepreparationofitsrules
A.IftheFAAfindsthatthepetitionisnotqualifiedafterconsideringtheprivatecomments,itisreturnedtothepetitioner
B.IftheFAAfindsthatthepetitionisnotacceptableaslongasconsideringthepubliccomments.itisreturnedtothepetitioner
C.IftheFAAfindsthatthepetitionisnotacceptableafterconsideringthepubliccomments,itisreturnedtothepetitioner