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Old 10th Oct 2014, 16:24
  #12 (permalink)  
Join Date: Aug 2007
Location: Middle East
Posts: 73
Hello all,

If the navaid on which the letdown procedure is based on is not working, then it is illegal to perform the approach even if the app is coded in the nav db.

It is ironic to say that performing the app with the ref navaid bieng u/s or deselected is, sometimes, safer than having the navaids selected and monitored.
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