Sorry
slam_dunk, but
stilton is right. For the approach to rwy 35 at Quito you do
not stay on the glideslope. If you do that, you will touch down way too far, leaving you with insufficient runway to comfortably stop a widebody. After safely crossing over the last bit of granite that's in front of the runway (and you do that at approx. 9900ft on the GS), you leave the glideslope and "dive" towards the PAPI. This enables you to touch down at the normal touchdown point and hopefully stop the bugger in time - the word "comfortably" still not being applicable on a wet runway
.
The correct visual glideslope for your 744 on the PAPI may well be 3 white/1 red - but that's a different story.