Type-Rating - B747 B747 Type Rating

Flight Instruments, Displays

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Question 21464
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Which statement about the ND map mode is false when the heading reference switch is in the NORM position?
A
Heading reference for PFDs, NDs, AFDS, FMC and RMI references magnetic north.
B
References true north when north of 82 degrees N latitude (or north of 70 degrees N latitude between 80 degrees W and 130 degrees W) or south of 82 degrees S latitude (or south of 60 degrees S latitude between 120 degrees E and 160 degrees E) for PFDs, NDs and FMCs.
C
Provides no reference for RMI and AFDS roll modes other than LNAV when north of 82 degrees N latitude (or north of 70 degrees N latitude between 80 degrees W and 130 degrees W) or south of 82 degrees S latitude (or south of 60 degrees S latitude between 120 degrees E and 160 degrees E) and in these areas HDG SEL, HDG HOLD and localizer modes are inoperative.
D
HDG SEL and HDG HOLD remain operational in all locations.