"The only confusion, the critical confusion, in an instrument
approach, is whether the navigation aids are set to the right
frequency, or in the right mode, whether they're getting the proper
indication in the cockpit on where they are in reference to the
runway."
Source: Retired General Charles Bolden, in an
interview with Houston's KTRK-TV after he read the transcripts of
voice recordings on board a Gulfstream G-III that went down near
Hobby Airport in November. The transcripts seemed to indicate the
cockpit crew -- led by a captain with 19,000 hours of experience,
was following the wrong navaid on approach. Bolden said that,
although the cockpit crew "went by the book" after learning of
their mistake, their actions came too late to save the plane -- and
their l