DFA技術不適用于:() ①I類精密進近 ②VOR/DME和NDB/DME等非精密進近 ③目視盤旋進近 ④LNAV進近
A.①③ B.②④ C.①② D.③④
A.CPDLC和ADS-C B.CPDLC和ADS-B C.CPDLC和ADS-B和ADS-C D.ADS-B和ADS-C
A.FL290 B.FL280 C.FL270 D.FL300