Legal or not?
Jim Macklin wrote:
GPS can substitute for the ADF. Radar can substitute also.
So, if the acft has no ADF or the NDB is OTS, so, it could
be.
Are you sure radar can be? When an ILS says "ADF Required" I believe
you must either have ADF or GPS. Usually if radar is good enough it
will say "ADF or Radar Required".
-Robert
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