The FMC supplies a default required navigation performance (RNP) value that:
A.A. Should not exceed actual navigation performance
B.B.With RNP exceeded, the message FMC appears on the scratch pad
C.C.Is shown on the POS SCHIFT page 3/3 only
D.D.Is used for takeoff, enroute, oceanic, terminal and approach phases
正确答案是D