Ft. Lauderdale has fog about 2 days per year. Wouldn't you know it but on
the way down to a foggy FLL, one of 500 zillion computers on the
'sophisticated' airplane crapped out. My helper pilot had no localizer or
glideslope information on his screens. I had both needles and flight
director bars. The LOC and GS both showed armed but the airplane never
captured either one. I turned off the useless flight director and autopilot,
and hand-flew a raw data ILS to minimums. So much for automation.

D.