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invalid nav

Guest 744nut
Guest 744nut
in PMDG General Forum

Featured Replies

I was on an ILS appr in UBBB. LOC and glideslope could not be captured although the frequency of the ILS was visible in the PFD. I got an FMC message "invalid nav". Any idea where this fault should be searched ? (MSFS, SID/STAR??)Ton

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