Re: Korean Air 801 crashed on approach to Guam

Date:         08 Aug 97 05:41:20 
From:         bengel@grobbebol.xs4all.nl
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In rec.travel.air jf mezei <"[non-spam]jfmezei"@videotron.ca> wrote:
> Could someone put this missing glide slope in perspective ?

> Just how important is it to a landing in darkness with little or no
> visibility ? What other instruments/information would have been
> available to the pilot to help him stay on track to the runway ?

not too important, since the G/S onkly gives guidance coupled to the A/P. If
the G/S is inop, there are 'manual' slopes used of approx 3 degrees.

> Is it plausible that the missing glide slope would have resulted in the
> plane being much lower than it should have been in its approach ?

normally not.

> How common is it for the glide slope to be inoperational for airports
> that handle 747s on a daily basis ? Is this a no-brainer for pilots when
> it is missing, or does this require a lot more attention ?

there are enough reasons to have the G/S tramsitter inop. It's not a big
deal. if the weather requires the G/S and it's not working... the runway is
closed for landing.

Note that at AMS, the main rwy for the last few days, was CAT 1. Nothing to
worry about.

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